高中英语语法——情态动词总结(附带练习)
(完整)英语语法 情态动词及练习题
情态动词一、知识梳理/提炼1. can和could的用法表示能力或客观可能性,还可以表示请求和允许。
如：Can you finish this work tonight?Man cannot live without air.— Can I go now？— Yes， you can.注意:①could也可表示请求,语气委婉，主要用于疑问句，不可用于肯定句，答语应用can （即could不能用于现在时态的简略答语中）。
如：Could I come to see you tomorrow？Yes, you can。
(否定答语可用No， I'm afraid not。
）②can表示能力时,还可用be able to代替。
如:I'll not be able to come this afternoon。
2。
may和might的用法1)表示许可.表示请求、允许时，might比may的语气更委婉一些,否定回答时要用mustn't表示“不可以"、“禁止"、“阻止”之意.如：You may drive the car.— Might I use your pen? — No，you can’t/ mustn't. Yes, you can/may. 用May I .。
. 征询对方许可在文体上比较正式，在口气上比较客气。
在日常口语中,用CanI ... 征询对方意见在现代口语中更为常见.2) 用于祈使句中表示祝愿.如：祝你成功！ May you succeed！3)表示推测、可能（疑问句不能用于此意）。
他现在可能很忙. He may be very busy now。
3。
must和have to的用法1) 表示必须、必要。
如:You must come in time.回答must引出的问句时,如果是否定的回答，不能用mustn't,而要用needn't或don't have to。
高中英语情态动词练习(附答案)
高中英语语法练习-情态动词一、基础练习1.He ___ have completed his work; otherwise, he wouldn't be enjoying himself by the seaside.A. shouldB. mustC. wouldn'tD. can't2. I _____ have been more than six years old when the accident happened.A. shouldn'tB. couldn'tC. mustn'tD. needn't3. This cake is very sweet. You ____ a lot of sugar in it.A. should putB. could have putC. might putD. must have put4. He paid for a seat, when he ____ have entered free.A. couldB. wouldC. mustD. need5. I was on the highway when his car went past followed by a police car. They ____ at least 150 kilometers an hour.A. should have been doingB. must have been doingC. could have doneD. would have done6. — Tom is never late for work. Why is he absent today?— Something __________ to him.A. must happenB. should have happenedC. could have happenedD. must have happened7. - Do you know where David is? I couldn't find him anywhere.- Well. He _______ have gone far-his coat is still here.A. shouldn'tB. mustn'tC. can'tD. wouldn't8. -Lucy doesn't mind lending you her dictionary.- She __________. I've already borrowed one.A. can'tB. mustn'tC. needn'tD. shouldn't9. - Catherine, I have cleaned the room for you.- Thanks. You _____ it. I could manage it myself.A. needn't doB. needn't have doneC. mustn't doD. shouldn't have done10. There________ be any difficulty in passing the road test since you have practised a lot in the driving school.A. mustn'tB. shan'tC. shouldn'tD. needn't11. - The woman biologist stayed in Africa studying wild animals for 13 years before she returned.-Oh, dear! She ________ a lot of difficulties!A. may go thoughB. might go throughC. ought to have gone throughD. must have gone though12. -I've taken someone else's green sweater by mistake.-It ______ Harry's. He always wears green.A. has to beB. will beC. mustn't beD. could be13. Helen _______ go on the trip with us, but she isn't quite sure yet.A. shallB. mustC. mayD. can14. If I ________ plan to do anything I wanted to, I'd like to go to Tibet and travelthrough as much of it as possible.A. wouldB. could C have to D. ought to15. You might just as well tell the manufacturer that male customers_____ not like the design of the furniture.A. mustB. shallC. mayD. need16. -Who is the girl standing over there?- Well, if you ______ know, her name is Mabel.A. mayB. canC. mustD. shall17. Children under 12 years of age in that country______ be under adult supervisionwhen in a public library.A. mustB. mayC. canD. need18. "The interest ______ be divided into five parts, according to the agreement madeby both sides," declared the judge.A. mayB. shouldC. mustD. shall19. -- I'll tell Mary about her new job tomorrow.--You _______ her last week.A. ought to tellB. would have toldC. must tellD. should have told20. I ______ pay Tom a visit, but I'm not sure whether I will have time this Sunday.A. shouldB. mightC. wouldD. could21. --I don't mind telling you what I know.--You ________. I'm not asking you for it.A. mustn'tB. may notC. can'tD. needn't22. --Excuse me, but I want to use your computer to type a report.--You________ have my computer if you don't take care of it.A. shan'tB. might notC. needn'tD. shouldn't23. --Excuse me. Is that the right way to the Summer Palace?--Sorry, I'm not sure, but it ______ be.A. mightB. willC. mustD. can24. --Mum, I've been studying English since 8 o'clock. ________ I go out and playwith Tom for a while?--No, I'm afraid not. Besides, it's raining outside now.A. can'tB. wouldn'tC. may notD. won't25. I often see lights in that empty house. Do you think I _____report it to the police?A. shouldB. mayC. willD. can26. Mr. White_______ at 8:30 for the meeting, but he didn't show up.A. should have arrivedB. should arriveC. should have had arrivedD. should be arriving27. You ________ be tired-you've only been working for an hour.A. must notB. won'tC. can'tD. may not二、提高练习1．--- Shall I tell John about it?--- No, you ______. I’ve told him already.A. needn’ｔB. wouldn’ｔC. mustn’ｔD. shouldn’ｔ2. --- There were already five people in the car, but they managed to take me as well.--- It ______ a comfortable journey.A. can’t beB. shouldn’t beC. mustn’t have beenD. couldn’t have been3. --- Why didn’t you come to see me?--- I ______, but I was too busy yesterday.A. like toB. should like toC. would like to haveD. am going to-behaved gentleman ______ be so rude to a lady.4. You can’t imagine that a wellA. mightB. needC. shouldD. would5. There was plenty of time; she ______.A. mustn’t have hurriedB. needn’t have hurriedC. may not have hurriedD. wouldn’t have hurried6. --- Is John coming by air?--- He should, but ______ not. He likes taking trains.A. mustB. canC. needD. may7. --- ______ it be Li Ping who broke the glass?--- No. It ______ be Wang Hai who did it.A. Could; mayB. Can; canC. May; mustD. Can; must8. When the old man was alive, he ______ sit for hours at the door.A. wouldB. couldC. mustD. might9. Jack, you ______ play with the knife; you ______ hurt yourself.A. won’t; can’ｔB. mustn’t; mayC. shouldn’t; mustD. can’t; should10. I’ve decided to take the job and I ______ change my mind.A. mustn’ｔB. can’ｔC. won’ｔD. may not11. She ______ into the thick forest alone on such a dark night.A. dares not goB. dares not to goC. dare not to goD. doesn’t dare to go12. My parents never remember my telephone number, and they always ______ look it up.A. mustB. canC. shouldD. have to13. --- Where is Jack? I can’t find him anywhere.--- He ______ his homework upstairs.A. might have doneB. must have doneC. might be doingD. must do14. He ______ you more help, even though he was very busy.A. might have givenB. might giveC. may have givenD. may give15. --- If he ______, he ______ that food.--- Luckily he was sent to the hospital immediately.A. was warned; would not takeB. had been warned; would not have takenC. would be warned; had not takenD. would have been warned; had not taken16. --- I hear you've got a set of valuable Australian coins. ____I have a look ?--- Yes, certainly.A. DoB. MayC. ShallD. Should17. — When can I come for the photos? I need them tomorrow afternoon.。
高中英语语法讲解与练习之情态动词
高中英语语法之情态动词（一)情态动词的定义:情态动词表示说话人对某一动作或状态的态度。
（二）情态动词的特点:1)有一定词义；2）不受主语人称和数的变化影响；3)与主要动词的原形（或称不带to的不定式）一起构成谓语（除ought to作固定词组看待)。
情态动词无人称和数的变化, 情态动词后面跟的动词需用原形，否定式构成是在情态动词后面加”not"。
个别情态动词有现在式和过去式两种形式，过去式用来表达更加客气, 委婉的语气，时态性不强, 可用于过去,现在或将来。
情态动词属非及物动词,故没有被动语态。
He could be here soon。
他很快就来。
We can’t carry the heavy box。
我们搬不动那箱子。
除此之外，情态助动词还有如下词法和句法特征：1）除ought和used以外，其他情态动词后面只能接不带to的不定式.We used to grow beautiful roses. I asked if he would come and repair my television set.2）情态助动词在限定动词词组总是位居第一： They need not have been punished so severely。
3）情态助动词用于第三人称单数现在时的时候,没有词形变化,即其词尾无—s形式：She dare not say what she thinks。
4）情态动词没有非限定形式，即没有不定式和分词形式，也没有相应的动名词：Still， she needn't have run away。
5）情态助动词的“时”的形式并不是时间区别的主要标志。
在不少场合,情态助动词的现在时和过去时形式都可以表示现在、过去或将来时间：Would you mind very much if I ask you to do something？ She told him he ought not to have done it。
高考英语情态动词和虚拟语气考点总结及真题解析
考点13 情态动词和虚拟语气【命题解读】英语中常用的情态动词主要有can，could，may，might，must，will，would，shall，should，ought to，dare，need，used to，had better等。
在学习情态动词时应注意以下几点：同一情态动词表示不同的意义的情况；情态动词后跟各种形式的用法；尤其要注意＂情态动词+完成式＂是高考中的重点所在。
对虚拟语气的考查重点在于根据句子的语境灵活多样地运用虚拟语气，宾语从句中虚拟语气的应用，交际用语中为表示委婉而使用的虚拟语气，含蓄条件句中的虚拟语气，以及特殊句型中的虚拟语气等。
【命题预测】情态动词是2021年各地高考试题中的必考项目，每年高考单独命题区的单项填空必有一道考查情态动词的项目。
新课标卷主要在语法填空和短文改错中考查。
考点依次是：推测(可能性)→请求/允许→必要性→特殊用法。
试题的立意不偏不怪，但有效信息越来越隐蔽，语境越来越真实，考查角度越来越细致，这些因素在很大程度上增加了试题的难度。
情态动词和虚拟语气与动词的时态和语态相结合的考查是近年来高考的趋势。
【复习建议】情态动词：1. 掌握情态动词的基本用法；2. 掌握情态动词表达＂情感、态度、语气等＂方面的用法。
虚拟语气：1. 掌握虚拟语气的基本用法；2. 掌握含蓄虚拟条件句的用法；3. 掌握主从句时间不一致的虚拟条件句的用法；情态动词考向一情态动词的基本用法1）can，could与be able to1．表示能力，意为＂能，会＂。
☞Many people can use the computer.许多人会用电脑。
☞If you have a good sleep，you will be able to work out this problem.如果你好好睡一觉，你将能够解出这道题。
☞I could have worked out the problem，but I was too nervous.我本来可以解决这个问题，但我太紧张了。
情态动词Can、Could考点总结讲义 高三英语高考语法专题复习
高三英语高考语法专题复习情态动词概述与Can、Could考点总结与练习高三英语教研组整理热身练习（2024版）：1．No one __________ be more warm-hearted; he has a heart of gold.2．—Did you visit the famous cultural relics last month?3．I think the work _________ be completed ahead of time.参考答案与解析：1．can/could考查情态动词。
句意：没有人能（比他）更热心，他拥有一颗金子般的心。
“can’t/couldn’t…+比较级”表示最高级含义。
No one本身表示否定，故应填can/could。
2．could have visited考查情态动词。
句意：——上个月你参观了那个著名的文物吗？——没有，我们本能够去，但是我们花太多时间购物。
结合句意可知，此处表示我们“本能够”去的，但是我们花太多时间购物，所以没能去。
could have done 本能够做某事（但没做成）。
故填could have visited。
3．can考查情态动词。
句意：我认为这项工作可以提前完成。
根据句意，此处表示客观上的可能性，应用情态动词can。
故填can。
考点讲解：概述情态动词（Modal Verbs）是用来表示能力、允许、预言、可能性、建议、情感、态度等的含义的一类动词。
我们使用缩写modal v.来表示情态动词。
情态动词属于不完全动词，因此情态动词不能独自在句中作谓语，即其后需要一个实义动词和情态动词共同在句中作谓语。
这样的谓语一般也称作“复合谓语”，属于复合谓语中的一种类型。
一般地，情态动词后面接不带to的动词不定式，即动词原形。
一般地，情态动词具有助动词的语法属性，可以完成一些语法功能的需要（比如可以构成否定句或疑问句等）。
有一些情态动词有相应的过去式的形式，有一些则没有（如must 等）。
【英语语法】情态动词can的用法(附练习及答案)
【英语语法】情态动词can的用法（附练习及答案）一、can是情态动词情态动词，本身有一定的词义，但不能独立作谓语，不以人称和数量的变化而变化，后接动词原形，也就是说情态动词和动词原形一起构成谓语。
我们常见的情态动词有：can (could)，may (might)，must，will (would)等。
接下来，我们就来学习一下情态动词"can"的用法。
二、情态动词can具体用法1）表示"能、会"，指脑力或体力方面的"能力"。
I can speak English. 我会讲英语。
Jim can swim but I can't. 吉姆会游泳，但我不会。
2）表示"可能"，常用于否定句或疑问句中，指某种可能性。
Han Mei can't be in the classroom. 韩梅不可能在教室里。
Can he come here today, please? 请问他今天能到这里来吗？3）表示"可以"，常用于口语中，指许可或请求做某事。
Can I have a cup of tea, please? 请问我可以喝一杯茶吗？You can go out. 你可以出去了。
补充：①can在口语中可以代替may，表示许可或可以。
②can't在口语中代替mustn't时，表示禁止或不准。
You can't play football in the street. 不准在马路上踢足球。
③情态动词can的过去式could，用于现在时，可使语气更委婉、更客气。
Could you help me with my English? 你能帮助我学习英语吗？三、情态动词can的基本句型1）肯定句型为：主语+can+动词原形+其它。
They can play basketball. 他们能打篮球。
高中英语 情态动词讲解和练习
情态动词情态动词是表达说话者的感情和语气的动词，它们的一个显著特点是不能单独使用，必须与实义动词的原形共同使用构成整个句子的谓语部分。
常用的情态动词罗列如下：Shall/should = ought to, will/would, may/might, can/could, must。
Need/dare 这两词既可以作情态动词，同时也可以作实义动词，我们称其为半情态动词。
1. shall:(1)征询对方意见或请示对方，多用于第一或第三人称的疑问句中。
如：Let’s go out for a walk, shall we?Shall he come in or stay outside? 让他进来还是在外面呆着？(2)说话者含有警告，命令, 承诺或者威胁的语气，多用于第二或第三人称。
如：You shan’t leave until six o’clock. 你不到六点不准离开。
No one shall stop me from speaking out the truth. 没有人能阻拦我说出真话。
What you have done now shall be paid for one day. 你今天所做的一切总有一天要偿还的。
(3)用在法律条约等文件中，表示义务，规定。
如：Each citizen shall carry his identification card when traveling.2．should(1) 等于ought to 表示应该。
如：You should wear school uniforms when you are at school.(2) Should 还可表示“居然”，说明说话者的惊讶和不理解。
如：It’s strange that he should have passed the driving test. 真奇怪，他居然通过驾驶考了。
(3) 可表示推断。
英语语法情态动词归纳总结
6.“would＋have＋过去分词”表示对过去的某种情况进行猜测,或本来要做某事却因某种原因未做成,通常用来说明某一情况,但不像用should或ought to那样含有责备之意.如：
5.“should / ought to + have +过去分词”表示过去本该做某事但没做,其否定式表示过去不该做某事但做了,这种句式含有不满或责备之意,ought to的语气比should强一些.如：
You ought to / should have studied harder.你本应该更努力学习的.（但没有）
3.“may / might + have +过去分词”表示对已发生的动作或存在的状态进行不肯定的推测,might的语气比may弱一点.这种结构主要用于肯定句和否定句,疑问句改用can或could.如：They may not have known it beforehand.
4.“need + have +过去分词”表示过去做了不必做或不需要做的事情,或过去做某事纯属多余.如：I needn't have bought so much wine—only five people came.
A．should theyB．they should
C．dare theyD．they dare
【答案】A
【解析】
【详解】
考查部分倒装和情态动词。句意：这位教授警告学生们，在他的课堂上，决不应该使用手机。on no account意为“决不”，否定词放在句首，句子使用部分倒装，排除B、D项；这里表示应该，故选A。
高中英语语法——情态动词总结(附带练习)
情态动词总结I 情态动词的特征：1.本身有词义。
2.不能独立作谓语。
2. 后接动词原形一起构成谓语。
3. 不随人称和数的变化。
II 情态动词各自的基本意义及用法：1.大多数情态动词（除表‘能力、许可、意志’外），都可以表示推测，其程度有差异。
按可能性程度的高低排列为：must﹥will ﹥would ﹥ought to ﹥should完全肯定完全可能很可能﹥can ﹥could﹥may ﹥might可能有可能2. 区分情态动词的否定含义：may not或许不、可能不might not可能不can’t 不可能mustn’t不许、禁止shouldn’t不应该needn’t 不必1.情态动词表推测的反意疑问句，简单来说，就是以情态动词后的时态为淮，如句子里有明确的时间状语，则以其为准。
2.以must 为例：E.g. 1. You must be hungry now, aren’t you?2. He must be watching TV , isn’t he ?3 Tom must have lived her for a long time, hasn’t he ?4. She must have arrived yesterday, didn’t she?注：如选择题中（以She must have arrived yesterday, didn’t she？为例）既有didn’t she又有hasn’t she则以didn’t she？为最佳答案。
IV 情态动词专项练习与解析一( ) 1. You _____ return the book now. You can keep it till next week if you like.A. can’tB. mustn’tC. needn’tD. may not( ) 2. Where is my pen? I _____ it.A. might loseB. would have lostC. should have lostD. must have lost( ) 3. I wish I _____ you yesterday.A. seenB. did seeC. had seenD. were to see( ) 4. I didn’t hear the phone. I _____ asleep.A. must beB. must have beenC. should beD. should have been( ) 5. If my lawyer _____ here last Saturday, he _____ me from going.A. had been; would have preventedB. had been; would preventC. were; would preventD. were; would have prevented( ) 6. He _____ you more help, even though he was very busy.A. might have givenB. might haveC. may have givenD. may give( ) 7. If it _____ for the snow, we _____ the mountain yesterday.A. were not; could have climbedB. were not; could climbC. had not been; could have climbedD. had not been; could climb( ) 8. Without electricity human life _____ quite difficult today.A. isB. will beC. would have beenD. would be( ) 9. A computer _____ think for itself, it must be told what to do.A. can’tB. couldn’tC. may notD. might not( ) 10. Jenny _____ have kept her word. I wonder why she changed her mind.A. mustB. shouldC. needD. would( )11. We _____ last night, but we went to the concert instead.A. must have studiedB. might studyC. should have studiedD. would study( ) 12. — Could I borrow your dictionary?— Yes, of course you _____.A. mightB. willC. canD. should( ) 13. Tom ought not to _____ me your secret, but he meant no harm.A. have toldB. tellC. be tellingD. having told ( ) 14. — If he _____, he _____ that food.— Luckily he was sent to the hospital immediately.A. was warned; would not takeB. had been warned; would not have takenC. would be warned; had not takenD. would have been warned; had not taken ( ) 15. Peter _____ come with us tonig ht, but he isn’t very sure yet.A. mustB. mayC. canD. will( ) 16. I told Sally how to get here, but perhaps I _____ for her.A. had to write it outB. must have written it outC. should have written it outD. ought to write it out( ) 17. I didn’t see your sister at the meeting. If she _____, she would have met my brother.A. has comeB. did comeC. cameD. had come ( ) 18. — Shall I tell John about it?—No, you _____. I’ve told him already.A. needn’tB. wouldn’tC. mustn’tD. shouldn’t ( ) 19. When a pencil is partly in a glass of water, it looks as if it _____.A. breaksB. has brokenC. were brokenD. had been broken( ) 20. It’s nearly seven o’clock. Jack _____ be here at any moment.A. mustB. needC. shouldD. can( ) 21.— There were already five people in the car but they managed to take me as well.— It _____ a comfortable journey.A. can’t beB. shouldn’t beC. mustn’t have beenD. couldn’t have been ( ) 22. Johnny, you _____ play with the knife, you _____ hurt yourself.A. won’t; can’tB. mustn’t; mayC. shouldn’t; mustD. can’t; shouldn’t ( ) 23. The fire spread through the hotel very quickly but everyone _____ get out.A. had toB. wouldC. couldD. was able to ( ) 24. — When can I come for the photos? I need them tomorrow afternoon.— They _____ be ready by 12:00.A. canB. shouldC. mightD. need( ) 25. — I stayed at a hotel while in New York.— Oh, did you? You _____ with Barbara.A. could have stayedB. could stayC. would stayD. must have stayed ( ) 26. — Will you stay for lunch?— Sorry, _____. My brother is coming to see me.A. I mustn’tB. I can’tC. I needn’tD. I won’t( ) 27. — Are you coming to Jeff’s party?—I’m not sure. I _____ go to the concert instead.A. mustB. wouldC. shouldD. might( ) 28. — Write to me when you get home.— _____.A. I mustB. I shouldC. I willD. I can( ) 29. I was really anxious about you, you _____ home without a word.A. mustn’t leaveB. shouldn’t have leftC. couldn’t have leftD. needn’t leave( ) 30. — Is John coming by train?— He should, but he _____ not. He likes driving his car.A. mustB. canC. needD. may专项练习（二）1. I didn’t see her in the meeting room this morning. She _____ at the meeting.A. mustn’t have spokenB. shouldn’t have spokenC. needn’t have spokenD. couldn’t have spoken2. One ought _____ for what one hasn’t done.A. not to be punishedB. to not be punishedC. to not punishedD. not be punished3. If you really want yourself to be in good health, you must ___ always ___ so much.A. not; be smokingB. not; have smokedC. not; to smokeD. be not; smoking4. With so much work on hand, you _____ to see the game last night.A. mustn’t goB. shouldn’t goC. couldn’t have goneD. shouldn’t have gone5. Most of the students felt rather disappointed at the English party. They say that it ______ better organized.A. had beenB. had to beC. must have beenD. could have been6. I’m surprised that he _____ in the exam.A. should failB. would have failedC. may have failedD. should have failed7. The little girl _____ there alone.A. not dare goB. dares not goC. dare not goD. dare not to go8. “Must we do it now?” “No, you _____.”A. won’tB. needn’tC. can’tD. don’t9. He said he would rather not _____ it right now.A. doingB. to doC. doD. to be doing10. You _____ to the meeting this afternoon if you have something important to do.A. needn’t to comeB. don’t need comeC. don’t need comingD. needn’t come11. Put on more clothes. You _____ be feeling cold with only a shirt on.A. canB. couldC. wouldD. must12. I _____ play football than baseball.A. would ratherB. had betterC. like betterD. prefer13. I thought you _____ like something to read, so I have brought you some books.A. mayB. mightC. couldD. must14. There was plenty of times. She _____.A. mustn’t have hurriedB. couldn’t have hurriedC. must not hurryD. needn’t have hurried15. The plant is dead. I _____ it more water.A. will giveB. would have givenC. must giveD. should have given16. You _____ return the book now. You can keep it till next week if you like.A. can’tB. mustn’tC. needn’tD. may not17. It’s still early, you _____.A. mustn’t hurryB. wouldn’t hurryC. may not hurryD. don’t have to hurry18. Please open the window, _____?A. can’t youB. aren’t youC. do youD. will you19. We _____ for her because she never came.A. mustn’t have waitedB. shouldn’t have waitedC. mustn’t waitD. needn’t wait20. — May I stop here? — No, you _____.A. mustn’tB. might notC. needn’tD. won’t21. It’s a fine day. Let’s go fishing, _____.A. won’t weB. will weC. don’t weD. shall we22. I didn’t see her in the meeting room this morning. She _____ at the meeting.A. mustn’t have spokenB. shouldn’t have spokenC. needn’t have spokenD. couldn’t have spoken23. — Please don’t make a noise. — _____. I’ll be as quiet as a mouse.A. Yes, I won’tB. No, I won’tC. No, I willD. Yes, I will24. The young man has made so much noise that he _____ not have been allowed to attend the concert.A. couldB. mustC. wouldD. should25. — Where is John? — He _____ in the library.A. should beB. must beC. can beD. must have been26. Since the road is wet this morning, _____ last night.A. it must rainB. it must be rainingC. it must have rainedD. it must have been rain27. — Will your brother stay home tonight?— I’m not quite sure. He _____ to the cinema tonight.A. must goB. can goC. may goD. may be going28. She’s already two hours late. What ______ to her?A. can have happenedB. may have happenedC. should have happenedD. must happen29. You must be a writer, _____?A. mustn’t youB. are youC. must youD. aren’t you30. I got up early that morning, but I _____ so because I had no work to do.A. mustn’t have doneB. didn’t need to doC. needn’t have doneD. can’t have done31. He _____ have come here yesterday, but he didn’t.A. couldB. shouldC. ought toD. all the above32. I missed the last bus, so I _____ go home on foot.A. mustB. have toC. mayD. had to33. He ought to win the first prize, _____ he?A. oughtn’tB. shouldn’tC. mustn’tD. both A and B34. Everyone _____ do his best for the modernizations of our country.A. canB. mayC. shouldD. might35. Let’s clean our classroom, _____?A. will youB. don’t weC. shall weD. do you36. Let us play basketball, ______?A. will youB. don’t weC. shall weD. do you37. He asked me for this book many times. Please tell him that he _____ have it tomorrow.A. mustB. mayC. shallD. both B and C38. “Your phone number again? I _____ quite catch it.” “It’s 9568442.”A. didn’tB. couldn’tC. don’tD. can’t39. Mother _____ us stories when we were children.A. was used to tellB. is used to tellingC. used to tellD. used to telling40. She would rather _____ more money on books _____ on clothes.A. cos t … notB. to spare … don’tC. pay … thanD. spend … than专项练习（三）1. — Has Li Lin started? He said he would join in the party.— He ______. He is a man of keeping his word.A. could have leftB. must have leftC. can’t comeD. won’t be c oming2. — May I park my car here?— No, you ______. No car is allowed to park here.A. may notB. needn’tC. mustn’tD. daren’t3. — Excuse me, could you tell me where the Yajia Supermarket is?—It’s two blocks straight ahead. You ______ miss it.A. mustn’tB. can’tC. needn’tD. shouldn’t4. — I saw Mr. Sun at Tongyu Station this morning.—You ______. He’s still on holiday in Hawaii.A. couldn’t haveB. mustn’t haveC. shouldn’tD. needn’t5. — How about paying a visit to Dr. Wang, our former Chinese teacher?— Good idea. I will e-mail him today so that he ______ know ______ to expect us.A. shall; whyB. could; whenC. would; whatD. will; how6. Everything has two sides. Beautiful songs, sometimes, ______ be just noise to others.A. mustB. mayC. shouldD. could7. Someone ______ my umbrella. I found it wet yesterday.A. must be usingB. must have usedC. must useD. must have been using8. — How dangerous it was!— Yes, but for the passer-by’s quick action, th e girl ______.A. was drownedB. could have been drownedC. had drownedD. should be drowned9. You ______ scold such a pupil who always keeps silent so seriously that you ______ hurt him.A. should; canB. may; willC. mustn’t; mayD. can’t; must10. — Why does Alice know so much about Angkor Wat?— She ______ have been there, or ...A. mustB. oughtn’t toC. mayD. can’t11. —You may laugh, but I’ve been thinking of becoming a vegetarian.— Oh, you ______ be crazy. You will be hungry all the time.A. mustB. mayC. willD. need12. —What’s the matter with you?—Oh, I’m not feeling well in the stomach. I ______ so much fried fish just now.A. shouldn’t eatB. mustn’t have eatenC. shouldn’t have eatenD. mus tn’t eat13. — ______ he have been chosen as captain of the football team?— Yes, he ______.A. Can; must haveB. Must; must haveC. Can; mustD. Must; must14. Mr. Zhang ______ in Shanghai tomorrow morning.A. can have arrivedB. will have arrivedC. may have arrivedD. must have arrived15. Miss Wang started at 8 o’clock, and she ______ be there now.A. shouldB. canC. can’tD. need16. — It must be Mr. Li who did it. — No, it ______ be Mr. Li.A. mustn’tB. wouldn’tC. can’tD. may17. You ______ finish reading the book as soon as possible.A. mayB. canC. needD. should18. — Need you go to work now? — Yes, I ______.A. mustB. needC. canD. dare19. Your trousers are dirty. ______ them for you?A. Shall I washB. Will I washC. Am I going to washD. Am I washing情态动词专项练习与解析一【练习解析】1．C 从原题中You can keep it till next week if you like这一信息句可知，“你不必现在还”。
高考英语语法词汇专项突破：02情态动词用法考点扫描+巩固练习+答案
高考英语语法词汇专项突破：02情态动词用法考点扫描+巩固练习+答案【要点速览】一、表力量的情态动词；二、表推想的情态动词；三、表必需的情态动词；四、表恳求允许的情态动词；五、表示对已经发生的事情的推想、责怪、懊悔、圆满等情态动词结构【高考真题呈现】【考例1】（2021年天津卷第一次）It used to be that you ___drive for miles here without seeing another person, but now there are houses and people everywhere.A．need B．should C．could D．must答案与解析：C。
考查情态动词推想功能。
A. need 需要；B. should 应当，理应如此；C. could 可能，表示对客观可能性的推想；D. must 肯定，必需。
依据前半句意思可知，表示的是对客观可能性的推想。
故选C。
句意：以前你可能在这里开了几英里，都没见过别人，但现在处处都是房子和人。
【考例2】（2021年天津卷其次次）---I honestly don't think I'm going to be admitted.---Wel1, you never know! You________ a better impression than you think.A. may have madeB. should have madeC. couldn't have madeD. needn't have made答案与解析：A。
考查情态动词推想用法。
A.may have made 可能；B.should have made本应当做；C.couldnt have made不行能做；D.needn't have made本不必做。
依据句意可知，此处表示的是有可能，故选A。
2021届 高中英语语法--情态动词复习+练习含答案
高中英语语法--情态动词复习+练习情态动词，即表示人的情感和态度的动词，它们本身有一定的词义，但是不能独立作谓语，只能跟动词原形一起构成谓语。
情态动词虽然数量不多，但用途广泛。
常见的情态动词主要有：can(could)，may(might)，must，need，shall(should)，will(would)，dare等。
1．can与could的用法(1)表示能力(could是过去时)。
My grandmother can do some shopping on the Internet，but she couldn’t last year.我奶奶会网购了，但是去年她还不会。
(2)表示猜测，意为“可能”，一般用于疑问句和否定句(could是过去时)。
Can this news be true？这则消息是真的吗？(3)表示请求和许可(could表示更委婉的语气，回答时只能用can)。
—Can/Could I go now?—Yes，you can.——我现在可以走了吗？——是的，可以。
(4)用于肯定的陈述句中，表示理论上或习惯上的可能性。
As we all know，anyone can make mistakes.我们都知道，任何人都可能犯错。
(5)习惯用法“cannot...too...”表示“无论怎样……都不过分，越……越好”。
有时cannot可用can never替代。
We cannot thank you too much for what you’ve done for us.对于你们为我们所做的一切，我们怎么感激你们都不过分。
2．may与might的用法(1)表示允许、许可。
might在语气上比may更委婉。
以may/might开头的问句在否定回答中要用mustn’t/can’t。
—May/Might I play the computer games after supper?—Yes，you may./No，you mustn’t/can’t.——晚饭后我可以玩电脑游戏吗？——是的，可以。
高考英语情态动词语法专题训练及答案(完整版)
高考英语情态动词语法专题训练(名师精讲必考语法知识点+实战真题，值得下载练习)一、情态动词的定义情态动词是一种本身有一定的词义，表示说话人的情绪、态度或语气的动词，但不能单独作谓语，只能和其他动词原形构成谓语。
情态动词数量不多，但用途广泛，主要有：can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would) .二、情态动词的位置情态动词在句中放在谓语动词之前，谓语动词前若有助动词，则在助动词之前，疑问句中，情态动词放在主语之前。
•I can see you. Come here. 我能看见你，过来吧。
•He must have been away. 他一定走了。
•What can I do for you? 你要什么？•How dare you treat us like that! 你怎么敢那样对待我们!三、情态动词的语法特征1）情态动词不能表示正在发生或已经发生的事情，只表示期待或估计某事的发生。
2）情态动词除ought 和have 外，后面只能接动词原形。
3）情态动词没有人称，数的变化，即情态动词第三人称单数不加-s。
4）情态动词没有非谓语形式，即没有不定式，分词，等形式。
四、情态动词的用法（一）. can; could; be able toCan 1. 表示“能力”(此时过去时是could) What can you do?2. 表示许可、请求，“可以”。
在口语中，can可以代替may表示许可，而may比较正式。
（此时用could 或might语气更委婉）--Can/Could I go now?--Yes, you can.3 表示推测（否，疑），把握很大,could也可表推测（肯，否，疑）,把握比can小。
--Look! Someone is coming! Who can it be?--It can’t be him. He has gone to Paris.（不可能）He could be here soon. 他很快就来。
高考英语语法专攻-《情态动词》-考点归纳+针对性练习
高中英语语法专攻-《情态动词》【考点1-can&could】·can和could 表推测对现在或将来的推测，两者均可用，但can 通常只用于否定句或疑问句中，一般不用于肯定句，而could则可用于肯定句、否定句和疑问句；对过去的推测，应在can,could 之后接动词的完成式，且此时can仍只用于否定句或疑问句，不用于肯定句；而could 则可用于各种句型。
如：Can [Could] this be true? 这能是真的吗Where can [could] he have gone? 他能到哪里去了呢She can’t [couldn’t] have left so soon. 她不可能走得这么早。
He could have gone home. 他可能已回家了。
【注：could后接动词的完成式，除表示对过去的推测外，还可表示过去没有实现的可能性（即某事本来可以发生，却没发生），或委婉地责备某人过去应该做某事而没有去做（此时不用can）。
】如：You could have started a little earlier. 你本可早点动身的。
You needn’t have co oked it. We could have eaten it raw.你其实可以不煮熟（它），我们（本来）可以生吃。
·can和could表允许表示现在的允许时，若是请求别人允许自己做某事，两者均可用，但用could 语气更委婉；若是自己允许别人做某事，一般只用can，而不用could。
如：Can [Could] I come in? 我可以进来吗“Could [Can] I use your pen? ” “Yes,of course you can.”“我可以借用你的钢笔吗?”“当然可以。
”（不能说Yes,you could.)表示过去的允许时，若表示过去一般性允许（即表示某人随时都可以做某事），用could；若表示在过去某一特定情况下允许进行某一特定的活动，则不用could。
高中英语新高考一轮语法复习讲义(三十八)情态动词+have done用法总结(含针对训练与解析)
2021届高中英语新高考一轮语法复习讲义（三十八）情态动词+have done用法总结（含针对训练与解析）如：1)It must have rained last night ,for the ground is wet.2) You can't have forgotten it .3)I should/ought to have told you about it ,but I forgot.4)You needn't have waken me so early, for today is sunday.5)It's too late , she may have gone to bed.6)You had better have started earlier.7) I would rather have finished my article ahead of time.8)I would love to have visited you yesterday ,but I was too busy.真题演练用适当的情态动词填空。
1. I can’t find mypurse. I （leave）it in the supermarket yesterday, but I’m not sure.句意：我找不到钱包了！我可能昨天把它忘到超市里了，不过我不确定。
2. I have worried before I came to the new school, for my classmates here are very friendly tome.3.—Sorry, Mum! I failed the job interview again.—Oh, it’s toobad. You have made full preparations. 4. My book, The House of Hades, is missing. Who have taken it?句意：我的书《哈迪斯之屋》丢了。
情态动词may、might、must考点总结讲义 高三英语高考语法专题复习
高三英语高考语法专题复习情态动词may、might、must考点总结与练习高三英语教研组整理热身练习：1．Why __________ you choose to work in a remote village school when you can own a respectable job in a city?2．You ________ be careful with the camera. It costs!3．You ________ feel all the training a waste of time, but I’m a hundred percent sure later you’ll be grateful you did it.4．—Can’t you stay a little longer?—It’s getting late. I really ________ go now. My daughter is home alone.5．—What a slow bus this is!—Yes, we____just as well walk.参考答案与解析：1．must考查情态动词。
句意：既然你能在城市里拥有一份体面的工作，为什么偏要选择在偏远的乡村学校工作呢？此处考查must的特殊用法，(why) must you....? 意为“（为什么）你偏偏，非要”，故填must。
2．must考查情态动词。
句意：你一定要非常小心地对待这部照相机，它很昂贵。
根据“It costs!”可知，此处表示“必须，一定”，需用情态动词must。
故填must。
3．may考查情态动词。
句意：你也许会认为所有的培训都是浪费时间，但是我百分之百地保证你以后会感激你所做的事情。
根据后文的描述I’m a hundred percent sure可知，空处表示可能性，是一种不确定的推测。
故填may。
高考英语语法情态动词和虚拟语气讲解练习含答案
情态动词的基本用法1．shall(1)用在第一、三人称的疑问句中，表示征求对方的意见。
►Shall Tom go there with me tomorrow?明天汤姆可以和我一起去那里吗？(2)用于第二、三人称陈述句中，表示说话人的命令、警告、威胁、许诺、决心等，意为“必须”。
►The school rules state that no child shall be allowed out of the school unless accompanied by an adult.学校制度规定，除非有成人陪同，任何孩子不准离开学校。
2．should(1)表示责任、义务、劝告、建议，意为“(按道理)应该”。
►You should listen to your doctor's advice.你应该听医生的建议。
(2)表示出乎意料的语气，意为“竟然，居然”。
►I am surprised that you should speak in such a way.我很惊讶你居然用那种口气说话。
3．must(1)表示“必须，应该”，语气强烈。
强调主观看法，只有现在时形式，否定式是must not(mustn't)，表示“禁止”。
must开头的问句，其否定回答要用needn't或don't have to来表达。
►—Must I hand in the paper today?——我今天必须交作业吗？—Yes, you must.——是的，你必须交。
—No, you needn't/don't have to.——不，你不需要。
(2)表示推测，意为“一定”，用于肯定句。
►At 29 Russell must be one of the youngest ever international referees.29岁的拉塞尔想必是迄今为止最年轻的国际裁判之一。
情态动词和have done知识点总结与练习讲义(含解析)新高考英语语法微专题培优复习
2021届新高考英语语法微专题培优复习情态动词与have done知识点总结与练习（含解析）情态动词在高考题中的考察非常直接，主要考察以下两方面：1、情态动词的本义2、情态动词与have done咱们今天先把简单的解决了，就是情态动词与have done。
这东西在考试里就俩方向，一个表示对过去的推测，一个表示对过去的虚拟。
注意，只要情态动词加了have done，一定表示“过去”的事。
1、表示对过去情况的推测must have done / can't have donecould have done / couldn't have donemight (may) have done / might (may) not have done三者的语气按照must — could — might的顺序依次递减，表示对于推测准确性的把握在逐步降低。
当然，在题目当中我们并不需要掌握三种语气的差异，只要观察题目中有没有出现推测的证据，或者证据是否确凿，即可作出语气强或弱的判断。
有证据，就强；没证据，就弱。
2、表示对过去情况的虚拟should have done本应该责备语气shouldn't have done本不应该责备语气could have done本可能遗憾/惋惜语气couldn't have done本不可能意外/惊喜语气needn't have done本不必多余/不必要语气表示虚拟时，句中一定可以加入“本来……”这样的口吻。
请注意，每种虚拟都有自己的使用场合，进而传达出在该场合下需要体现的语气和态度。
把两方面合并在一起，我们就会发现，情态动词+have done的结构，其实可以这样来方便记忆：must / might (may) 推测+could 推测/虚拟+should / need 虚拟must和might肯定是推测，should和need肯定是虚拟，只有could一个同时身兼两种功能，所以遇到的时候要注意判断。
高中英语情态动词详细讲解及例句
一、情态动词无人称和数的变化，不能单独做谓语，只能和行为动词或状态动词构成谓语二、情态动词分为：情态助动词：can(could)、may(might)、must、have to (had to )、ought to 、shall(should)、will(would) 12个半情态助动词：dare、need、used to、had better、would better(5个)三、情态助动词1.can and could1)ability：be able to do /manage to do/succeed in doing sth.eg.The army can defeat their enemy.eg.The army is able to defeat their enemy.eg.The army succeed in defeating their enemy.2)permission:eg.Can I smoke here?eg.You can’t smoke here.3)possibility:用在否定句、疑问句、感叹句中-eg.This can’t be done by him.当被用在肯定句中时，表达的是理论上的可能性，不涉及是否真的会发生eg.even expert drives can make mistakes.要表达现在或者将来的可能性，用may /might或could.eg.I may leave for Beijing next month.但在特殊疑问句中，或与副词hardly、only等连用的陈述句中表达可能性只用can/couldEg.where can the noise be coming from?eg.It can hardly be the postman,he comes only in the morning.4)有时会：the road can be blocked.5)could 表示轻微的怀疑或委婉的看法I’m sorry I couldn’t lend you the book now.His story could be true,but I hardly think it is.6)could 表示委婉的请求，主要用于疑问句，不用于肯定句Could you lend me some money?Yes,I can /No,I am afraid not.7)could 的常用结构：could+动词+比较级“非常，再.....不过了”It couldn’t be better.Couldn’t +过去分词+比较级“非常，再.....不过了”They couldn’t have tried harder to make me eel welcome.Can’t..too..=can never too“无论怎样...也不为过,越...越好”I can’t thank you too much.I owe my progress to you.Can’t (help/choose) but do/can but +动词原形“不得不，只好”We can but agree with him.Can’t help doing 忍不住，不得不I can’t help laughingCan’t be (it) 控制不住，没有办法It can’t be helpedCan’t....without 没有...就不能One can’t succeed without perseverance.2.may and might1)permission:May I use your pen?Yes,you may./No,you may not.2)Possibility:用于推测，表示不确定,不用于疑问句中She may know Tom’s address.出现I’m afraid.I’m not sure等表示不确定时，常用may/might.I’m afraid he might not come to attend the meeting today.从语气上判断，may表示的可能性比might 大，might更多的表示怀疑He may be very busy now.He might be very busy now.3)用于让步状语从句中However hard you may study,you cannot master English in a month.4)用于祈使句，表示祝愿May you succeed!5)might 常用于表示轻微的责备和委婉的请求You might post the letter for me if you are going near a post box.You might have let me know before!6)习惯用法：may as well do”理所当然，有足够的理由”She may be proud of her sonMay /might (just) as well do=had better do(最好)You might as well stay at home tonight.May/might as well+do A+as+do+B”与其做B不如做A”You might as well throw the money away as lend it to him.One may as well not know a thing at all as know it but imperfectly3.must and have to1)表示义务，一定要，必须You must arrive in good time.The meeting is very important.2)表示肯定性或难以避免，必然会，肯定会All men must die.3)must 表示有把握的推测，一定是，准时Must do/must be doing/must have doneThe tall fellow must be a basketball player.Let’s have something.You must be starving.He must have received mu letter which has mailed last week.4)must 表示非要，偏要，常以第二人称为主语，意指不耐或令人不愉快的事情，用于其他人称，表示主语固执，意为偏偏Why must you buy that car?Jane was never a pleasant young girl.After you gave her your advice,she must goand do the opposite.5）must 的三种否定形式表示不可能must be --can’t be must have done--can’t have doneYou must have met him before.You can’t have met him before.表示不必must do--need not to/don’t have toWe must get up at six tomorrow morning.We don’t have to get up at six tomorrow morning.表示决不能，严禁must--mustn’tYou mustn’t park your car here.6)回答以must提问的句子Must we clean all the rooms?Yes ,you must/No ,you don’t have to/No ,you needn’t7)must 可做名词，表示必须有的东西，必须做的事Warm clothes are a must in the mountains.8)must和have to 表示必须时，有一下差别Must 表示的是说话人主观的看法，而have to则往往强调客观需要The play is not interesting ,I really must go now.I have to work when I was your age.Must 一般只表现在，have to 则有更多的时态。
高考英语情态动词讲解及习题(附答案)
2016高考专题之情态动词一、基础提高一、常见的情态动词有：can 能may 可以will，would （表意愿）need 须要dare 敢must 必需have to 不得不shall，should 应当（表义务）ought to 应当1.can，could 的用法1.1表实力，有“能”、“会”、“能够”的意思例如：Can you drive a car? 你会开车吗？-----Yes, I can. 我会。
-----No, I can't. 我不会。
1.2表允许，在口语中代替may，有“可以”的意思例如：Can I use your bike?我可以用你的自行车吗？1.3表示可能性，常用于否定句和疑问句例如：Can it be true?那会是真的吗？Today is Sunday. He can't be at school.今日是星期天。
他不行能在学校里。
1.4过去式could表示的语气更加委婉、客气例如：Could I come to see you tomorrow?明天我可以来见你吗？1.5 can 和be able to 的比较1) can 只有一般现在时和一般过去时两种时态(could)，其他时态要用be able to的形式例如：I haven't been able to get in touch with her.我始终没能和她联系上。
2) 通常can 和be able to 可以互换例如：He will come if he can.假如可能的话，他确定会来。
2.may，might的用法2.1表示许可或征求对方的许可，有“可以”的意思。
例如：You may go now.你可以走了。
May I use your computer?我用一下你的电脑可以吗？2.2回答以may开头的疑问句有如下表达法：例如：May I smoke here? 我可以在这儿抽烟吗？-----Yes, you may.-----Yes, please.------No, you can't.------No, you mustn't.------No, you'd better not.2.3表示揣测，通常只用于陈述句例如：You may be right.你可能是对的。
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高中英语语法——情态动词总) 附带练习(结．情态动词总结I 情态动词的特征：1.本身有词义。
2.不能独立作谓语。
2. 后接动词原形一起构成谓语。
3. 不随人称和数的变化。
II 情态动词各自的基本意义及用法：1. can 与could用法2.may与 might用法3. must与have to用法与4. needdare用法用法ought to与5. should6. shall与will用法用法would与7. used toII 情态动词表推测：，都可以1.大多数情态动词（除表‘能力、许可、意志'外）表示推测，其程度有差异。
would will ﹥按可能性程度的高低排列为：must﹥should ﹥ought to ﹥完全可能完全肯定很可能could﹥ may ﹥ might can ﹥﹥有可能可能或许不、可能不区分情态动词的否定含义：2. may not t 不可能可能不might not can' t 不必needn'不应该不许、禁止mustn't shouldn't情态动词表推测具体运用：情态动词可以对现在、进行、3.过去推测。
4. 表示反劝的特殊的表推测形式5. 注意：III 情态动词表推测的反意疑问句情态动词表推测的反意疑问句，简单来说，就是以情态动1.如句子里有明确的时间状语，则以其为准。
词后的时态为淮， must 为例：2.以t you? E.g. 1. You must be hungry now, aren't he ?' 2. He must be watching TV , isnt he ? 3 Tom must have lived her for a long time, hasn't she?4. She must have arrived yesterday, didn'She must have arrived yesterday, didn't 注：如选择题中（以she？为例）既有didn't she又有hasn't she则以didn't she？为最佳答案。
IV 情态动词专项练习与解析一( ) 1. You _____ return the booknow. You can keep it tillnext week if you like.A. can'tB. mustn'tC. needn'tD. may not) 2. Where is my pen? I _____ it.(should C. B. would have lost A. might loseD. must have lost have lost) 3. I wish I _____ you yesterday.(seen hadC.B. did see A. seenD. were to see( ) 4. I didn't hear the phone.I _____ asleep.A. must beB. must havebeen C. should beD. should have been( ) 5. If my lawyer _____ herelast Saturday, he _____ mefrom going.A. had been; would haveprevented B. had been;would preventC. were; would preventD. were;would have prevented( ) 6. He _____ you more help,even though he was verybusy.A. might have givenB. mighthave C. may havegiven D. may give( ) 7. If it _____ for the snow,we _____ the mountainyesterday.A. were not; could have climbedB. were not;could climbC. had not been; could haveclimbed D. had notbeen; could climb( ) 8. Without electricityhuman life _____ quite difficult today.havewould C. B. will beA. isbeen D. would be( ) 9. A computer _____ thinkfor itself, it must be toldwhat to do.A. can'tB. couldn'tC. may notD. might not( ) 10. Jenny _____ have kepther word. I wonder whyshe changed her mind.A. mustB. shouldC. needD. would( )11. We _____ last night, butwe went to the concertinstead.A. must have studiedB. might studyC. should have studiedD. would study( ) 12. — Could I borrow your dictionary?— Yes, of course you_____.A. mightB. willC. canD. should( ) 13. Tom ought not to _____me your secret, but hemeant no harm.A. have toldB. tellC. be tellingD. having told( ) 14. — If he _____, he _____that food.— Luckily he was sent tothe hospital immediately.beenhadB.A. was warned; would not takewarned; would not have takenC. would be warned; had not takenD. would havebeen warned; had not taken( ) 15. Peter _____ come with us tonight, but he isn't verysure yet.A. mustB. mayC. canD. will( ) 16. I told Sally how to gethere, but perhaps I _____for her.A. had to write it outB. musthave written it outC. should have written it outD. ought towrite it out( ) 17. I didn't see your sisterat the meeting. If she _____,she would have met my brother.A. has comeB. did comeC. cameD. had come( ) 18. — Shall I tell Johnabout it?— No, you _____. I've toldhim already.A. needn'tB.wouldn't C. mustn'tD. shouldn't( ) 19. When a pencil is partlyin a glass of water, it looksas if it _____.wereC. broken has B. A. breaksbroken D. had been broken( ) 20. It's nearly seveno'clock. Jack _____ be here atany moment.A. mustB. needC. shouldD. can( ) 21.— There were alreadyfive people in the car butthey managed to take me as well.— It _____ a comfortable journey.A. can't beB.shouldn't be C. mustn'thave been D. couldn't have been( ) 22. Johnny, you _____ playwith the knife, you _____hurt yourself.A. won't; can'tB. mustn't;may C. shouldn't;must D. can't; shouldn't( ) 23. The fire spread throughthe hotel very quickly buteveryone _____ get out.A. had toB. wouldC. couldD. was able to( ) 24. — When can I come forthe photos? I need themtomorrow afternoon.— They _____ be ready by12:00.A. canB. shouldC. mightD. need( ) 25. — I stayed at a hotelwhile in New York.— Oh, did you? You _____with Barbara.A. could have stayedB.could stay C. would stayD. must have stayed( ) 26. — Will you stay forlunch?— Sorry, _____. Mybrother is coming to see me.A. I mustn'tB. I can'tC. I needn'tD. I won't( ) 27. — Are you coming toJeff's party?— I'm not sure. I _____ goto the concert instead.A. mustB. wouldC. shouldD. might( ) 28. — Write to me when youget home.— _____.A. I mustB. I shouldC. I willD. I can( ) 29. I was really anxiousabout you, you _____ homewithout a word.A. mustn't leaveB.shouldn't have leftC. couldn't have leftD. needn't leave( ) 30. — Is John coming bytrain?— He should, but he _____not. He likes drivinghis car.need C. can B. must A.D. may专项练习（二）1. I didn't see her in the meeting room this morning. She_____ at the meeting.A. mustn't have spokenB. shouldn't have spokenC. needn't have spokenD. couldn't have spoken2. One ought _____ for what one hasn't done.A. not to be punishedB. to not be punishedC. to not punishedD. not be punished3. If you really want yourself to be in good health, you must___ always ___ so much.A. not; be smokingB. not; have smokedC. not; to smokeD. be not; smoking4. With so much work on hand, you_____ to see the gamelast night.A. mustn't goB.shouldn't goC. couldn't have goneD. shouldn't have gone5. Most of the students feltrather disappointed at theEnglishparty. They say that it ______better organized.A. had beenB. had to beC. must have beenD. could have been6. I'm surprised that he _____ inthe exam.B. would have failed A. should failC. may have failedD. should have failed7. The little girl _____ therealone.A. not dare goB. dares not goC. dare not goD. dare not to go8. “Must we do it now?”“No, you_____.”A. won'tB. needn'tC. can'tD.don't9. He said he would rather not_____ it right now.A. doingB. to doC. doD. to be doing10. You _____ to the meeting this afternoon if you havesomething important to do.A. needn't to comeB. don't need comeC. don't need comingD. needn't come11. Put on more clothes. You _____be feeling cold with only ashirt on.A. canB. couldC. wouldD. must12. I _____ play football than baseball.A. would ratherB. had betterC. like betterD. prefer13. I thought you _____ likesomething to read, so I havebrought you some books.could C. might B. may A.D. must14. There was plenty of times. She_____.A. mustn't have hurriedB. couldn't havehurriedC. must not hurryD.needn't havehurried15. The plant is dead. I _____ itmore water.B. would have given A. will giveD. should have given C.must give16. You _____ return the book now.You can keep it till nextweek if you like.D. C. needn't A. can't B. mustn'tmay nots still early, you _____.17. It' B. wouldn 't hurry 'A.mustnt hurryt have to hurry C. may not hurry 'D. don18. Please open the window, _____?D. ' t you A. can' B.arent you C. do youwill you19. We _____ for her because shenever came.t have B. shouldn''A.mustnt have waitedwaitedt wait C. mustn' t wait 'D. neednNo, you _____.— May I stop here? —20.A. mustn'tB. might notC. needn'tD. won't21. It's a fine day. Let's gofishing, _____.A. won't weB. will weC. don't weD. shall we22. I didn't see her in the meetingroom this morning. She_____ at the meeting.A. mustn't have spokenB. shouldn'thave spokenC. needn't have spokenD. couldn'thave spoken23. — Please don't make a noise.— _____. I'll be as quietas a mouse.A. Yes, I won'tB. No, I won'tC. No, I willD. Yes, I will24. The young man has made so muchnoise that he _____not have been allowed to attendthe concert.A. couldB. mustC. wouldD. should25. — Where is John? — He _____in the library.A. should beB. must beC. can beD. must have been26. Since the road is wet this morning, _____ last night.B. it must beA. it mustrainrainingC. it must have rainedD. it musthave been rain27. — Will your brother stay home tonight?— I'm not quite sure. He _____to the cinema tonight.A. must goB. can goC. may goD. may be going28. She's already two hours late.What ______ to her?A. can have happenedB. may havehappenedC. should have happenedD. must happen29. You must be a writer, _____?A. mustn't youB. are youC. must youD. aren't you30. I got up early that morning,but I _____ so because I hadno work to do.A. mustn't have doneB. didn't need to doC. needn't have doneD. can't have done31. He _____ have come hereyesterday, but he didn't.A. couldB. shouldC. ought toD. all the above32. I missed the last bus, so I_____ go home on foot.A. mustB. have toC. mayD. had to33. He ought to win the first prize,_____ he?A. oughtn'tB. shouldn'tC. mustn'tD.both A and B34. Everyone _____ do his best forthe modernizations of ourcountry.A. canB. mayC. shouldD. might35. Let's clean our classroom,_____?A. will youB. don't weC. shall weD. do you36. Let us play basketball,______?A. will youB. don't weC. shall weD. do you37. He asked me for this book many times. Please tell himthat he _____ have it tomorrow.A. mustB. mayC. shallD. both B and C38. “Your phone number again? I_____ quite catch it.”“It's 9568442.”A. didn'tB. couldn'tC. don'tD. can't39. Mother _____ us stories whenwe were children.A. was used to tellB. is usedto telling C. used to tellD. used to telling40. She would rather _____ more money on books _____ on clothes.A. cost … notB. tospare … don't C. pay …than D. spend … than专项练习（三）1. — Has Li Lin started? He said he would join in the party.— He ______. He is a man of keeping his word.A. could have leftB. must have leftC. can't comeD.won't be coming2. — May I park my car here?— No, you ______. No car isallowed to park here.A. may notB. needn'tC. mustn'tD. daren't3. — Excuse me, could you tell me where the YajiaSupermarket is?— It's two blocks straight ahead. You ______ miss it.A. mustn'tB. can'tC. needn'tD. shouldn't4. — I saw Mr. Sun at Tongyu Station this morning.— You ______. He's still on holiday in Hawaii.A. couldn't haveB. mustn't haveC. shouldn'tD.needn't5. — How about paying a visit to Dr. Wang, our formerChinese teacher?— Good idea. I will e-mail him today so that he ______ know______ to expect us.A. shall; whyB. could; whenC. would; whatD. will;how6. Everything has two sides.Beautiful songs, sometimes,______ be just noise to others. A. must B. may C. should D. could7. Someone ______ my umbrella. I found it wet yesterday.A. must be usingB. must haveused C. must use D.must have been using8. — How dangerous it was!— Yes,but for the passer-by'squick action, the girl ______.A. was drownedB. could havebeen drowned C. haddrowned D. should be drowned 9. You ______ scold such a pupil who always keeps silent soseriously that you ______ hurt him.A. should; canB. may; willC. mustn't;may D. can't; must10. — Why does Alice know so much about Angkor Wat?—She ______ have been there, or ...A. mustB. oughtn't toC. mayD. can't11. — You may laugh, but I've been thinking of becoming a vegetarian.— Oh, you ______ be crazy. You will be hungryall the time.A. mustB. mayC. willD. needWhat's the matter with you? —12.— Oh, I'm not feeling well in the stomach. I ______ so muchfried fish just now.A. shouldn't eatB. mustn't have eatenC. shouldn'thave eaten D. mustn't eat13. — ______ he have been chosenas captain of the footballteam?— Yes, he ______.A. Can; must haveB. Must; must haveC. Can;must D. Must; must14. Mr. Zhang ______ in Shanghai tomorrow morning.A. can have arrivedB. will have arrivedC. may havearrived D. must have arrived 15. Miss Wang started at 8 o'clock, and she ______ be therenow.A. shouldB. canC. can'tD. need16. — It must be Mr. Li who did it. — No, it ______ beMr. Li.A. mustn'tB. wouldn'tC.can't D. may17. You ______ finish reading the book as soon as possible.A. mayB. canC. needD.should18. — Need you go to work now? — Yes, I ______.A. mustB. needC. canD. dare19. Your trousers are dirty.______ them for you?A. Shall I washB. Will I washC. Am I going toD. Am I washingwash情态动词专项练习与解析一【练习解析】1．C 从原题中You can keep it till next week if you like这一信息句可知，“你不必现在还”。