语法知识—情态动词的知识点总复习附答案

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高考英语情态动词语法知识点与用法

高考英语情态动词语法知识点与用法

高考英语情态动词语法知识点与用法高考英语情态动词语法学问点与用法在英语学习中,情态动词常常消失,同时它也有许多讲究呢。

比如dare就很强硬,比较负面,而may就比较的和善,为了避开在谈话时把“争论”变成“攻击”,我们肯定要学会善用情态动词哦!我整理了相关资料,盼望能关心到您。

高考英语情态动词语法学问点情态动词一、can和could1、can的用法(1)表示体力和脑力方面的力量。

(2)表示对现在的动作或状态进行主观的猜想,主要用在否定句和疑问句中。

(3)表示可能性,理论上的可能性,意为“有时候可能会”,可用于确定句。

(4)表示允许,意思与may接近。

(5)表示说话人的推想、怀疑、惊异、猜想或不愿定等,主要用于否定句、疑问句或感叹句中。

(6)can的特别句型cannottoo / enough表示“无论怎么。

也不过分”。

“越。

越好”。

cannot but+ do sth.表示“不得不,只好”。

2、could的用法(1)表示力量,指的是过去时间。

(2)表示允许,指的是过去时间。

(3)表示可能,可以指过去时间,也可以指现在时间,表示语气缓和。

(4)委婉客气地提出问题或陈述看法,指的是现在时间。

主要用于疑问句,回答时用can。

3、can与could的区分can表推想时只用于否定句和疑问句(could无此限制)。

couldnt 的可能性比cant小。

4、can与be able to的区分(1)现在时:无区分,但后者不常用。

(2)完成时;can没有完成时,此时要用have(has,had)been able to。

(3)将来时:can没有将来时,要用will be able to。

(4)过去时:could表示一般力量,was/were able to 表示在详细场合通过努力胜利做成某事的力量。

二、may 和might1、may的用法(1)表示询问或说明一件事可不行以做。

(2)表示一件事或许会发生或某种状况可能会存在,通常用在确定句和否定句中。

最新初中英语语法知识—情态动词的知识点总复习有答案解析(3)

最新初中英语语法知识—情态动词的知识点总复习有答案解析(3)

一、选择题1.You should________ the teacher________being late for school.A.apology to, about B.apologize to, forC.apologies to, for D.apologize to, on2.You have finished most of the work, so you ____ start working so early tomorrow. You may come at 9 :00.A.can't B.mustn't C.needn't D.couldn't3.— Do you think it is safe to shop online?— I think so. On Taobao, customers return goods with no questions asked,but they ______ pay delivery costs.A.can’t; can B.must; must C.can; have to D.mustn’t; can 4.I’ve bought a nice necklace for Jo’s birthday. She _____like it, but I’m not sure.A.can B.may be C.might D.must5.—________your house be cleaned right now?—No,it needn't.It may be cleaned this afternoon.()A.Must B.May C.Can6.—Hi, Lucy, may I sit here?—No, ________. The seats are for teachers and parents.A.you needn't B.you aren't C.you mustn't D.you don't 7.—Can I take some milk and biscuits to the reading room?—No, our school has a rule that students _______ eat or drink there.A.can’t B.mustn’t C.needn’t D.may not 8.—Tom, we’re going shopping at eight, right?—Yeah, but I ______ be a little late, so don’t wait for me.A.may B.should C.mustn’t9.— Mom, I got a big box from express(快递). What is it?—I’m not sure. It ________be a present from your gr andmother.A.should B.might C.must D.will10.— I wonder if these are Jim's glasses.—They _____his. He doesn't wear glasses.A.might be B.could be C.can't be11.—Sorry, Ms Wang. I left my homework at home. Must I hand it in today?—No, you_______ . You_______ bring it here tomorrow.A.mustn’t; should B.needn’t; must C.mustn’t; may D.needn’t; can 12.— Could you play the piano when you were 8 years old?— ________.A.Yes, I could B.No, I can’t C.Yes, I can D.No, I won’t13.I see the blackboard. I need to have my glasses.A.can B.can’t C.must D.mustn’t 14.—Can you come to my party on Saturday afternoon?—Sorry, I can’t. I ________ meet my friends.A.can’t B.might have to C.needn’t15.-Could you help me with my English homework, Nancy?-Of course I____________. Glad to help.A.could B.can C.must D.do16.—Jack must be in his office, I think.—No, he be in the office. He flew to Canada this morning.A.needn't B.shouldn't C.can't D.mustn't 17.—Must I go out to have dinner with you, Mum?—No, you , my dear. You’re free to make your own decision.A.shouldn’t B.mustn’t C.needn’t D.can’t 18.(2017·甘肃白银·10)—I wonder if these are Danny's glasses.—They________be Danny's. He doesn't wear glasses.A.can't B.must C.mustn't D.can19.This book _____ Lucy’s. L ook! Her name is on the book cover.A.must be B.may be C.can’t be D.mustn’t be 20.一Hurry up, Mark! Let's cross the road as quickly as possible.一No,you . Don't you see the light is still red?A.couldn't B.wouldn't C.mustn't D.needn't 21.(2017 • 湖北省宜昌市中考)—Life is becoming convenient with the Internet.—That’s true! Almost everything be done online.A.must B.would C.should D.can 22.—Doesn’t Frank like staying at home and looking after his little sister?—_______, but he ________ because both of his parents work.A.Yes; has to B.No; has toC.Yes; doesn’t have to D.No; doesn’t have to【参考答案】***试卷处理标记,请不要删除一、选择题1.B解析:B【解析】【详解】句意:你应该因为上学迟到向老师道歉。

2023年中考英语一轮复习语法知识专项突破-情态动词(含答案解析)

2023年中考英语一轮复习语法知识专项突破-情态动词(含答案解析)

2023年中考英语一轮复习语法知识专项突破-情态动词一、选择题—Who took the book away—It _____ be Jack. Nobody else entered the room except him.A.could B.can't C.must D.mightBe careful on the stairs, or you _____ fall.A.can B.must C.need D.might—How nice the building is! What is it for—It _____ a hotel. But I'm not sure.A.must be B.have to be C.may be D.can beThese pears are too big. You should _____.A.cut it up B.cut up it C.cut up them D.cut them upThe river is too deep. You _____ swim in it.A.could't B.mustn't C.needn't D.don'tCould you please _____ off the radio I'm listening to it.A.turn B.not turn C.to turn D.not to turnI _____ find my Chinese textbook. Where is itA.can't B.am not C.can D.don't—Helen, who _____ fix up the computer in our class—I think Jeff can.A.should B.would C.must D.canWe should keep quiet in the cinema. We speak loudly.A.can B.must C.needn't D.mustn'tThe world _____ not be ready for me, but ready or not, I am here now.A.can B.may C.should D.must—Who is the boy over there Is it Jack—It _____ be him. He is much taller.A.can't B.mustn't C.shouldn't D.won't—_____ you come to my party on Sunday—Sorry, I'm not available. I _____ study for the math test.A.Can; must B.Must; can C.Need; may D.May; can—Are you going to the cinema tonight—I don't know. I _____ go or I _____ stay at home.A.will; will B.must; must C.should; should D.might; mightPlease speak loudly, or students at the back _____ hear you.A.can't B.needn't C.shouldn't—I've told you many times you _____ put the scissors there. The kids may play with them.—Sorry, I won't do it again.A.wouldn't B.mustn't C.couldn't D.needn't—When will you come back from Shanghai—We _____ come back the day after tomorrow.A.may B.maybe C.may beIf you feel angry, you should _____ a deep breath.A.take B.taking C.to take— Listen! I think it _____ be Susan singing in the office.—No. It _____ be her. She left for London two days ago.A.must; can't B.may; mustn't C.must; mustn'tLook at the "No Parking"sign. You _____ park your car here.A.should B.needn't C.mustn'tHis sister _____ speak any English two years ago, but now she _____ talk to Americans in English.A.couldn't; could B.couldn't; can C.can't; could D.can't; canFive hours' walk, and you _____ be tired. Now sit down and have a rest.A.can B.should C.must D.willI _____ ride a bike when I was six years old.A.could B.would C.should D.canWe _____ respect the disabled and be kind to them.A.dare to B.ought to C.have to—Must we clean the classroom now—No, you _____. You can do it after school.A.mustn't B.shouldn't C.needn't—Do I have to finish my homework before supper—Yes, you _____, or you can't go to the theater with us.A.can B.must C.mayHe _____ like coffee. I see him drink a cup sometimes.A.can't B.must C.may D.mustn't—Look! Fireworks!—Wow! How beautiful! But people living in this area can't _____ fireworks.A.let off B.get off C.let out D.get out—What will the weather be like this afternoon, Anna—It _____ be fine. But who knows It's always changing quickly.A.must B.will C.may D.need—What's your plan for the winter holiday—I _____ go back to my hometown with my parents. They haven't decided yet. A.must B.may C.need D.shouldTeachers should _____ their students to practice _____ English as much as possible. A.let; speaking B.encourage; speakingC.make; speak D.let; speakJohn _____ come to see us tonight, but he isn't very sure yet.A.may B.can C.has to D.mustYou _____ be afraid of that dog. Look. It's a toy.A.needn't B.can't C.mustn't D.don't—Jeff, you _____ swim alone in the river. It's dangerous.—Sorry, I won't.A.can B.must C.should D.shouldn't—Must I get there on time—No, you _____.A.can't B.mustn't C.needn't D.couldn'tAll the drivers _____ reduce speed when driving near the zebra crossing.A.may B.can C.must D.need—Tom, please tell Jack the good news.—I _____. His father has told him about it already.A.don't have to B.have to C.must D.mustn'tThe man can't _____ stories, but he can _____.A.tells; sings B.say; dance C.tell; swimPeter can't go to the party because he _____ look after his sister at home.A.can B.has to C.would likeThe girl was _____ scared that she _____ say a word.A.so; can't B.too; couldn't C.so; couldn't—_____—I would like some ice cream, please.A.What kind do you want B.What size would you likeC.May I take your order D.Is there any ice cream—Where are you going to study—I'm not sure. I _____ study in Beijing.A.might B.should C.must D.canYou _____ drive so fast, for we have enough time to arrive at the station.A.can't B.mustn't C.needn't D.shouldn'tA country has dreams. We teenagers _____ also have dreams. With dreams and hard work, anything amazing can be created.A.may B.must C.should D.can—Can you come to my party on Thursday, Jenny—Sorry, I can't. I _____ finish my homework first.A.may B.will C.have to D.canIt is raining now, Jim can't _____ on the playground.A.do morning exercises B.does morning exercisesC.do morning exercise D.does morning exercise—Hurry up, Jeff! Let's cross the road as fast as possible.—No, you _____. Don't you see the light is still redA.couldn't B.wouldn't C.mustn't D.needn't—Molly, can you swim—Yes, I _____. I do it really well!A.can B.can't C.need D.must—Must I make a phone call to him now—No, you _____. You _____ write an email.A.mustn't; may B.may not; mustC.shouldn't; must D.don't have to; may—I can't stop smoking, doctor.—For your health, I'm afraid you _____.A.may B.can C.have to D.need—Must I practice soccer every day—No, you _____.A.must B.mustn't C.needn't D.can't答案一、选择题(共50题)1. 【答案】C【解析】——谁把书拿走了?——一定是杰克,除了他没人进房间。

高考英语情态动词语法知识点与用法

高考英语情态动词语法知识点与用法

高考英语情态动词语法知识点与用法高考英语情态动词语法知识点情态动词一、can和could1、can的用法(1)表示体力和脑力方面的能力。

(2)表示对现在的动作或状态进行主观的猜测,主要用在否定句和疑问句中。

(3)表示可能性,理论上的可能性,意为“有时候可能会”,可用于肯定句。

(4)表示允许,意思与may接近。

(5)表示说话人的推测、怀疑、惊异、猜测或不肯定等,主要用于否定句、疑问句或感叹句中。

(6)can的特殊句型cannot…too / enough表示“无论怎么。

也不过分”。

“越。

越好”。

cannot but+ do sth.表示“不得不,只好”。

2、could的用法(1)表示能力,指的是过去时间。

(2)表示允许,指的是过去时间。

(3)表示可能,可以指过去时间,也可以指现在时间,表示语气缓和。

(4)委婉客气地提出问题或陈述看法,指的是现在时间。

主要用于疑问句,回答时用can。

3、can与could的区别can表推测时只用于否定句和疑问句(could无此限制)。

couldn’t的可能性比can’t小。

4、can与be able to的区别(1)现在时:无区别,但后者不常用。

(2)完成时;can没有完成时,此时要用have(has,had)been able to。

(3)将来时:can没有将来时,要用will be able to。

(4)过去时:could表示一般能力,was/were able to 表示在具体场合通过努力成功做成某事的能力。

二、may 和might1、may的用法(1)表示询问或说明一件事可不可以做。

(2)表示一件事或许会发生或某种情况可能会存在,通常用在肯定句和否定句中。

注意:表示可能性时,can’t语气强,表示“不可能”,may not语气弱,表示“可能不”。

2、might的用法(1)表示询问或允许,指的是过去时间。

(2)表示可能发生的事,可以指过去时间,也可以指现在时间,语气更加不肯定,可能性比may小一些。

初中英语语法知识—情态动词的知识点(1)

初中英语语法知识—情态动词的知识点(1)
— ________.
A.Yes, I couldB.No, I can’tC.Yes, I canD.No, I won’t
22.One ______ easily lose his way when he visits or comes to a new place.
A.mayB.mustC.needD.should
14.C
解析:C
【解析】
句意:你能帮助我做作业吗?——当然可以,如果我能的话。Could you……?表示委婉的请求,不表过去;表示能够,用情态动词can。故选C。
15.C
解析:C
【解析】
句意:每个人都应该对父母有礼貌。A. could可能;B. may也许;C. should应该;表示按理应当;D. can能够。根据句意故选C。
2.C
解析:C
【解析】
【详解】
句意:--听!狼在叫! --它不可能是狼,因为狼从来不会在这个时候出来。
A. mustn’t禁止;B. needn’t没有必要;C. can’t不可能;D. don’t构成一般现在时的否定句。根据“because a wolf never comes out at this time因为狼从来不会在这个时候出来”,可推断它不可能是狼,故选C。
A.Could; couldB.Can't; canC.Could; canD.Can; could
15.Everyone______ be polite to their parents.
A.couldB.mayC.shouldD.can
16.一Hurry up, Mark! Let's cross the road as quickly as possible.

期末语法复习五:情态动词、祈使句(知识点+习题) 22-23外研版八年级英语上册

期末语法复习五:情态动词、祈使句(知识点+习题) 22-23外研版八年级英语上册

electronic bikes.
A. Keep
В.To keep
C. Keeping
D. Kept
12.---Must I stay here with you, Mum?
---No, you ______ You may go home now, but you ______ go to the Internet
Cafe.
A. mustn't; needn't
B. needn't; mustn't C. must; need D. need; must
13. It's rather windy today. Put on some warm clothes, ________ you'll catch a
В. needn't
C. mustn't
D.can’t
3.-_______the endangered animals from now on, or they will die out one day.
-Yes, you are right.
A. Protecting B. To protect
C. Protect
【例】 Stop! 停下来! Cut up these bananas.把这些香蕉切碎。
(2)Be型:Be+表语(+其他)! 【例】Be a good boy!做一个好孩子!
(3)Let型:Let+宾语+动词原形(+其他). 【例】Letmehelpyou.让我来帮你。
(4)No+ v.-ing 形式/名词! 【例】 No smoking!禁止吸烟! No photos!不准拍照!

初中英语常用语法知识——情态动词知识点复习(含答案解析)

初中英语常用语法知识——情态动词知识点复习(含答案解析)

一、选择题1.Let’s ____________ volleyball. That _________ good.A.playing, is B.playing, sounds C.play, sounds D.play, is sound C解析:C【解析】【详解】句意: 让我们打排球吧,听起来不错。

play玩;sound听起来。

根据“Let's”可知这里let's do sth表示让我们做某事,后面跟动词原形,good是一个形容词,前面用系动词,句子叙述一件事实,时态用一般现在时,主语是单数,用第三人称单数形式,故选C。

2.______ talk in the library.A.Don’t B.Not C.Not to A解析:A【解析】【详解】句意:在图书馆不要说话。

此处是祈使句的否定形式,因此在动词原形前加don’t,故为Don’t+动词原形。

故选A。

3.The teacher often says, “ _____ late for school. ”A.Don’t B.Don’t be C.Not D.Doesn’t B解析:B【解析】【详解】句意:老师经常说:“上学不要迟到。

”老师的话是一个祈使句,祈使句的主要动词要用原形,late是形容词,前要加be动词。

祈使句的否定,是在句首加don’t。

故选B。

4.---Be careful, don’t forget to follow your father.---I know that, Mum. One can never be too careful.A.and B.or C.but D.so A解析:A【解析】试题分析:and和,并且;or或者,否则;but但是;so因此。

句意:小心,并且不要忘了跟着你的父亲。

——我知道,妈妈。

一个人不可能永远太过小心。

故选A。

考点:连词辨析点评:连词在句子中主要起联系上下文的作用,他们之间的区别就是表示逻辑关系的不同,所以在解题时先要理解上下文含义,然后根据上下文逻辑关系选择合适的连词。

情态动词全部知识点总结

情态动词全部知识点总结

情态动词全部知识点总结一、情态动词的基本概念及用法1. 情态动词的定义和特点情态动词是一种特殊的助动词,用来表示说话人对某种情态或可能性的态度。

情态动词具有一定的情态意义,表示说话人的态度、愿望、命令、建议、可能性等。

2. 情态动词的基本特点(1)情态动词没有人称和数的变化,即其形式不受主语的变化而变化;(2)情态动词后面通常接动词原形,构成情态动词的基本结构;(3)情态动词后面一般不加不定式的to,除了ought to外,其他情态动词后面不接to形式的动词。

二、情态动词的用法1. 表示能力、许可和请求(1)can和coulda. 表示能力,用于表达某人有能力做某事;例如:She can speak Chinese.(她会说中文。

)b. 表示请求,用于表示请求或允许;例如:Can I borrow your pen?(我能借你的笔吗?)(2)may和mighta. 表示许可,用于请求许可或征求对方的意见;例如:May I come in?(我可以进来吗?)b. 表示可能性,用于表示可能的情况;例如:It may rain tomorrow.(明天可能会下雨。

)2. 表示建议、命令和义务(1)shoulda. 表示建议,用于给出建议或提出主张;例如:You should see a doctor.(你应该去看医生。

)b. 表示义务,用于表示责任或义务;例如:We should obey the law.(我们应该遵守法律。

)(2)ought toa. 表示责任或义务,用于表示应该做的事情;例如:You ought to apologize to her.(你应该向她道歉。

)3. 表示可能性和必然性(1)musta. 表示必然性,用于表示肯定的推断或必然的结论;例如:He must be at home now.(他现在一定在家。

)b. 表示义务,用于表示应遵守的规定或责任;例如:Students must wear school uniforms.(学生必须穿校服。

苏州市初中英语语法知识—情态动词的知识点总复习有答案解析

苏州市初中英语语法知识—情态动词的知识点总复习有答案解析

一、选择题1.—Jack must be in his office, I think.—No, he be in the office. He flew to Canada this morning.A.needn't B.shouldn't C.can't D.mustn't 2.I hope you __________ to my birthday party.A.to come B.can come C.comes D.are come 3.I’ve bought a nice necklace for Jo’s birthday. She _____like it, but I’m not sure. A.can B.may be C.might D.must 4.—Is Wendy in the classroom now?—I’m not sure. She ________ be there. I saw her in the library ten minutes ago. A.may not B.must not C.shall not D.would not 5.—Is that Kate’s green bike?—It ____________be hers. She likes pink.A.can’t B.could C.mustn’t D.might 6.All passengers_____ go through safety check before they take a plane.A.may B.can C.must D.need 7.— Mom, I got a big box from express(快递). What is it?—I’m not sure. It ________be a present from your grandmother.A.should B.might C.must D.will8.I see the blackboard. I need to have my glasses.A.can B.can’t C.must D.mustn’t 9.—The book report is very important. You ________ write it carefully.—But I ________ hand it in now.A.must; must B.have to; mustC.must; have to D.have to; have to10.—Must I finish my homework this evening?—No,you ________.You have a three﹣day holiday.A.won't B.mustn't C.needn't 11.— May I have some wine?— No, you . You have to drive home later.A.shouldn't B.needn't C.mustn't D.may not 12.—Could I call you by the first name?—Yes, you .A.will B.could C.may D.might 13.-_________ you help me with my homework?-Of course if I __________.A.Could; could B.Can't; can C.Could; can D.Can; could 14.When I write down what I am showing thanks to, it’s always for things that moneyA.needn’t B.shouldn’t C.may not D.can’t15.–Is Mike coming to the fashion show tomorrow?--I’m not sure. He ______ not co me.A.must B.can C.may D.should16.Will you please________them________the Birdwatching Society?A.inviting; join B.to invite; to join C.invite; to join D.to invite; join 17.(2017 • 湖北省宜昌市中考)—Life is becoming convenient with the Internet.—That’s true! Almo st everything be done online.A.must B.would C.should D.can 18.—Must I sleep now? —No, you________.A.needn't B.mustn't C.can't D.may not19.一Already five people in the taxi, but the driver managed to take me as well.一Terrible, and it be an uncomfortable journey.A.can B.should C.must D.need20.—Who is the lady over there? Is it Miss Wang?—It __________be her. Miss Wang is much taller.A.needn't B.mustn't C.shouldn't D.can't21.---You look very pretty, if I say so.---Thanks a lot for saying that.A.must B.may C.will D.have to22.It is 11:00 p.m now. Peter hasn't come back yet. His mother ______ be very mad at him. A.may B.can C.must D.need【参考答案】***试卷处理标记,请不要删除一、选择题1.C解析:C【解析】【分析】【详解】句意:——我想杰克一定在他的办公室里。

2021年上海市中考英语语法复习:情态动词讲解及提升练习(有答案)

2021年上海市中考英语语法复习:情态动词讲解及提升练习(有答案)

中考语法复习:情态动词讲解及提升练习一.定义:情态动词主要用于表示说话人的态度和看法。

情态动词不能单独使用必须与动词原形一起构成谓语,其否定式是在情态动词后加否定词not。

一般疑问句则将情态动词提至句首。

二、基本形式:三基本用法1. can 的用法1)表能力can表能力时意味着凭体力或脑力或技术等可以无甚阻力地去做某事。

I can climb this pole. 我能爬这根杆子。

He is only four , but he can read. 他只有4岁,但已认得字了。

Fire can’t destroy gold. 火烧不毁金子。

2)表可能性多用于否定与疑问结构中,但也可用在肯定句中。

Can the news be true? 这消息可能是真的吗?It can’t be true. 它不可能是真的。

What can he possibly mean? 他可能是什么意思?3)表示允许(和may意思相近)常见于口语。

Can (May) I come in ? 我能进来吗?Can I smoke here ? 我可以在这里抽烟吗?2.could的用法1)表过去的可能和许可,Father said I could swim in the river. 爸爸说我可以在河里游泳。

2)表过去的能力I could swim when I was only six. 我刚六岁就能游泳。

3)表“允许”。

可表示委婉客气的提出问题或陈述看法,不是can的过去时态。

---Could I use your bike? ---Yes, you can./No, you can’t.注意:be able to 表示能力,意为“能够做成某事”,相当于can 的用法,但是有区别:can泛指一般的能力;be able to 则主要指成功做了某件事的能力。

3. may(might)的用法1)表示请求、可以、允许。

You may drive the tractor. 你可以开那台拖拉机。

初中语法:情态动词知识点专项练习题

初中语法:情态动词知识点专项练习题

初中语法:情态动词知识点专项练习题一、情态动词单项选择题1.You’d better________ the light when your hands are wet.A.put in B.to put up C.not put in D.not put up【答案】C【解析】【分析】【详解】句意:你手湿的时候最好不要安装灯。

考查非谓语动词及动词短语的用法。

put in安装(设备);put up张贴。

根据“You’d better… the light when your hands are wet”可知,手湿的时候不要安装灯,had better not do sth“最好不要做某事”,故选C。

2.—I cannot find my pen. ________ I borrow yours?—Sure.A.Can B.Must C.Should D.Would【答案】A【解析】【详解】句意:——我找不到我的钢笔。

我可以借你的吗?——当然。

考查情态动词辨析。

can可以;must必须;should应该;would将。

根据“I borrow yours”可知,此处应用can表请求允许,希望能借对方的钢笔用一下,故选A。

3.—_________ I finish my homework now?—No, you _________. Your work is over today.A.Can’t; must B.Must; don’t have to C.May; couldn’t D.Couldn’t; could 【答案】B【解析】【分析】【详解】句意:——我必须现在完成作业吗?——不,你不必。

你今天的工作结束了。

考查情态动词辨析。

can’t不能,表能力或许可;must必须,强调主观意愿;don’t have to 不必;may可以,表许可;couldn’t不应该;could应该。

结合语境可知,must开头的一般疑问句,其否定回答用needn’t或don’t have to,故选B。

2021届 高中英语语法--情态动词复习+练习含答案

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。

语法知识—情态动词的分类汇编附答案

语法知识—情态动词的分类汇编附答案

一、选择题1.—Must I go out to have dinner with you, Mum?—No, you , my dear. You’re free to make your own decision.A.shouldn’t B.mustn’t C.needn’t D.can’t2.-Listen! A wolf is crying!-It _______ be a wolf, because a wolf never comes out at this time.A.mustn’t B.needn’t C.can’t D.don’t 3.(2018·山东临沂) Could you please speak a little louder? I ______ hear you very well. A.can’t B.mustn’tC.shouldn’t D.needn’t4.You have finished most of the work, so you ____ start working so early tomorrow. You may come at 9 :00.A.can't B.mustn't C.needn't D.couldn't5.I hope you __________ to my birthday party.A.to come B.can come C.comes D.are come 6.I’ve bought a nice necklace for Jo’s birthday. She _____like it, but I’m not sure.A.can B.may be C.might D.must7.—Do esn’t Frank like staying at home and looking after his little sister?—_______, but he ________ because both of his parents work.A.Yes; has to B.No; has toC.Yes; doesn’t have to D.No; doesn’t have to8.He like coffee. I see him drink a cup at times.A.must B.may C.can’t D.mustn’t 9.—The book report is very important. You ________ write it carefully.—But I ________ hand it in now.A.must; must B.have to; mustC.must; have to D.have to; have to10.—I’d like ________ Guo Jingming’s Tiny Times.—You had better________ his books. The stories he tells are far from real life.A.buying, don’t read B.to buy, not readC.buying, not read D.to buy, not to read11.—________ I borrow the books from the library, Miss Yang?—Sorry, you________. These books are only for members of the English Club.A.Can; couldn’t B.Could; can’tC.Could; couldn’t D.Can; needn’t12.—Could I call you by the first name?—Yes, you .A.will B.could C.may D.might13.It’s raining all day, so I ________ stay at home.A.can’t B.has to C.have to14.The flowers ________ every day, or they will die.A.must water B.can be wateredC.should water D.must be watered15.Everyone______ be polite to their parents.A.could B.may C.should D.can16.---I heard they went skating in the mountains last winter.---It ______ true because there was little snow there.A.may not be B.won’t be C.couldn’t be D.will be17.–Is Mike coming to the fashion show tomorrow?--I’m not sure. He ______ not come.A.must B.can C.may D.should 18.—Mum, I’ve signed for a big box by Future Express (快递). What’s in it?—I’m not sure. It ________be a present from your brother.A.need B.must C.may D.will 19.—Must I sleep now? —No, you________.A.needn't B.mustn't C.can't D.may not 20.—Must I hand in my reports today?—No, you ________.A.mustn’t B.can’t C.shouldn’t D.don’t have to 21.—We've prepared all kinds of foods for the picnic.—Do you mean I___ bring anything?A.can't B.needn't C.mustn't D.won't22.We _______ keep the new traffic law and learn how to protect ourselves.A.may B.should C.can D.need【参考答案】***试卷处理标记,请不要删除一、选择题1.C解析:C【解析】【分析】【详解】句意:——妈妈,我必须和你出去吃饭吗?——不,你不必。

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。

语法知识—情态动词的单元汇编附解析

语法知识—情态动词的单元汇编附解析

一、选择题1.—Jenny, we buy Mom presents. We can clean the house from top to bottom.—Good idea! It’s a special present for Mother’s Day.A.can’t B.mustn’tC.shouldn’t D.needn’t2.You run with the train when it is coming. It’s dangerous.A.may not B.mustn’t C.needn’t3.Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous. A.mustn’t B.ought not to C.needn’t D.don’t have to4.I hope you __________ to my birthday party.A.to come B.can come C.comes D.are come5.The designer has tried every possible way to make the robot light, so you _____ worry about its weight.A.must B.may C.can’t D.needn’t6.---Mum, must I finish my homework today?---No, you . Tomorrow is Sunday and you may have a rest today.A.shouldn’t B.mustn’t C.can’t D.don’t have to 7.A: Is Jim coming by train?B: I’m not sure. He _______ drive his car.A.must B.may C.need D.should8.—I can't stop smoking, doctor.—For your health, I'm afraid you ________.A.must B.can C.may D.need9.—Hi, Lucy, may I sit here?—No, ________. The seats are for teachers and parents.A.you needn't B.you aren't C.you mustn't D.you don't 10.— I wonder if these are Jim's glasses.—They _____his. He doesn't wear glasses.A.might be B.could be C.can't be11.I see the blackboard. I need to have my glasses.A.can B.can’t C.must D.mustn’t 12.—Must we finish the work right now?—No, you ________. You can do it tomorrow.A.needn’t B.shouldn’t C.mustn’t D.can’t 13.—Must I start now?—No, you_______________.A.mustn't B.can't C.needn't D.must14.—I feel tired.—You ________ go to bed so late.A.must B.shouldn’t C.should 15.(2017·甘肃白银·10)—I wonder if these are Danny's glasses.—They________be Danny's. He doesn't wear glasses.A.can't B.must C.mustn't D.can16.—The food ________be delicious . You ate it up .—You bet . My mum cooked it for me .A.must B.may C.can D.need17.–Is Mike coming to the fashion show tomorrow?--I’m not sure. He ______ not come.A.must B.can C.may D.should 18.—Mum, I’ve signed for a big box by Future Express (快递). What’s in it?—I’m not sure. It ________be a present from your brother.A.need B.must C.may D.will 19.—Could you help me download some Taylor Swift’s songs from Ku Gou?—Sorry, people download music from the Internet without paying, because it’s against t he law. A.wouldn’t B.needn’tC.mustn’t D.couldn’t20.—________ David be the new chairperson of the Students’ Union?—He _______ be, but I’m not sure.A.Can; can’t B.Can; mayC.May; must D.May; mustn’t21.Even the top student can't work out this problem, so it________ be too difficult. A.must B.may C.can D.need22.—______ you please tell me something about the life in Canada or America?—Sorry, I______. I don’t know either. I’m from Australia.A.Could; couldn’t B.Can; couldn’t C.Could; can’t D.Can; mustn’t【参考答案】***试卷处理标记,请不要删除一、选择题1.D解析:D【解析】【分析】【详解】句意:——Jenny,我们不需要给母亲买礼物,我们可以从上到下打扫房子。

高中英语高考语法易错知识点10.情态动词(考点梳理+易错点)

高中英语高考语法易错知识点10.情态动词(考点梳理+易错点)

情态动词知识梳理情态动词的基本用法:can/could*表具备某种能力叱can表现在能力;could表示过去能力;可用be able to代替;was/were able to表示成功做了某事。

*表请求和允许叱请求用could语气委婉,答语不用couldo*表猜测的•可能性"吐can用于否定和疑问句(could不限);can(be)表示有时候会(常与sometimes,at times 连用)may/might*表请求和允许计请求用might语气更委婉:,允许时用may,表示•可以11(表示允许时不用might)。

六表猜测性,可能性。

"也许"叱此意常用于肯定句(might可能最小)。

六表祝愿吐固定句型为"May+主语+d。

":May you succeed!must*表“必须"wmust多表主观、现在、将来义务;have to多表客观、过去义务;mustrYt表噤止”;否定用needn't/don't have to。

介表推测。

肯定是、准是.吐只用于肯定句。

will/would六表意愿,决心等w would此时为will过去式,无意义差别。

六表经常性,习惯性,倾向性。

叱would表过去反复的动作/某种倾向。

(相对于used to,would do无"现已没有此习惯”之义。

)*表功能.性质叱叙述真理,如:The tree will live without water for3months.女表猜测11想必,大概•(只是时态区别)吐表对目前事物的预料。

如:That will be the postman ringing(would表示过去/现在;will 表示现在/将来)六表“请求/要求-(Will yoiP)用于疑问句,常与you连用。

如:Will you give me a piece of paper9shall(否:shan't)六表征求意见•…好不好.*用在第一、三人称°如:Shall the reporters wait outside or what9六表允诺、威胁、警告、命令或根据规定有义务做吐用于第二、第三人称。

高考英语专项复习《动词的时态、语态、情态动词、虚拟语气》真题总结含答案

高考英语专项复习《动词的时态、语态、情态动词、虚拟语气》真题总结含答案

高考英语专项复习《动词的时态、语态、情态动词、虚拟语气》真题总结含答案一、2022年高考真题1.(2022年全国甲卷语法填空)In the last five years. Cao ___67___ (walk) through 34 countries in six continents, and in 2016, he reached the top of Kilimanjaro, Africa’s ___68___(high) mountain.67.【答案】has walked【解析】考查动词时态。

句意:在过去的五年中,曹操穿越了六大洲的34个国家,2016年,他到达了乞力马扎罗山顶,这是非洲最高的山峰。

根据时间状语in the last five years可知,此处应用现在完成时,主语Cao为第三人称单数,助动词用has。

故填has walked。

68.【答案】highest【解析】考查形容词最高级。

句意:在过去的五年中,曹穿越了六大洲的34个国家,2016年,他到达了乞力马扎罗山顶,这是非洲最高的山峰。

根据空前Africa’s可知,此处表示乞力马扎罗山是非洲最高的山脉,应用形容词最高级。

故填highest。

2.(2022年全国甲卷短文改错)He showed me how his medical instruments was used. However, after I went to high school, somehow I become distant from him. I was unwilling talk with him and often disobeyed his rule of not stay out with my friends too late.【详解】2.【答案】was→were【解析】考查主谓一致。

句意:他向我展示他的医疗器械是如何使用的。

主语instruments 为复数形式,全文为一般过去时,be动词用复数形式were。

英语语法知识点汇总情态动词

英语语法知识点汇总情态动词

英语语法知识点汇总:情态动词21.1 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he外,后面只能接不o的不定式。

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。

21.1 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he 外,后面只能接不o 的不定式。

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。

21。

2比较can 和be able to1)can could表示能力;可能(过去时用could),只用于现在式和过去式(could).be ableto可以用于**种时态。

They will be ableto tell you the news soon. 他很快就能告诉你了。

2)只用be able toa。

位于助动词后.b.情态动词后。

c.表示过去某时刻动作时。

d. 用于句首表示条件。

e.表示成功地做了某事时,只能用was/were ableto, 不能用co uld.He was able to flee Europe before the war broke out.= He managed tofleeEurope before the warbroke out.注意:could不表示时态1)提出委婉的请求,(注意在回答中不可用could)。

-—— Could I hethe television on---Yes,you can./ No, you can t.2)在否定,疑问句中表示推测或怀疑。

He couldn t bea bad man.他不大可能是坏人.21。

3 比较may和might1)表示允许或请求;表示没有把握的推测;may 放在句首,表示祝愿。

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

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。

最新初中英语语法知识—情态动词的解析含答案(1)

最新初中英语语法知识—情态动词的解析含答案(1)

一、选择题1.You should________ the teacher________being late for school.A.apology to, about B.apologize to, for C.apologies to, for D.apologize to, on2.—Must I finish the work today, Mum?—No, you ________.You can finish it tomorrow.A.mustn't B.can't C.shouldn't D.needn't 3.—Is that Kate’s green bike?—It ____________be hers. She likes pink.A.can’t B.could C.mustn’t D.might 4.All passengers_____ go through safety check before they take a plane.A.may B.can C.must D.need 5.—Is that cap Bob’s?—No, it ________ be his. His is blue.A.can’t B.mustn’t C.needn’t D.may not 6.A: Is Jim coming by train?B: I’m not sure. He _______ drive his car.A.must B.may C.need D.should 7.—Hi, Lucy, may I sit here?—No, ________. The seats are for teachers and parents.A.you needn't B.you aren't C.you mustn't D.you don't 8.—Can I take some milk and biscuits to the reading room?—No, our school has a rule that students _______ eat or drink there.A.can’t B.mustn’t C.needn’t D.may not 9.— Mom, I got a big box from express(快递). What is it?—I’m not sure. It ________be a present from your grandmother.A.should B.might C.must D.will 10.— I wonder if these are Jim's glasses.—They _____his. He doesn't wear glasses.A.might be B.could be C.can't be 11.The milk tastes bad. You’d better_______.A.throw it away B.to throw it awayC.throw them away D.to throw them away12.I’m sorry, children over 1.4 meters________pay the full price for the show. A.may B.must C.can D.ought to 13.I see the blackboard. I need to have my glasses.A.can B.c an’t C.must D.mustn’t 14.One ______ easily lose his way when he visits or comes to a new place.A.may B.must C.need D.should 15.—Must I start now?—No, you_______________.A.mustn't B.can't C.needn't D.must16.This book _____ Lucy’s. Look! Her name is on the book cover.A.must be B.may be C.can’t be D.mustn’t be 17.---I heard they went skating in the mountains last winter.---It ______ true because there was little snow there.A.may not be B.won’t be C.couldn’t be D.will be 18.(2017 • 湖北省宜昌市中考)—Life is becoming convenient with the Internet.—That’s true! Almost everything be done online.A.must B.would C.should D.can 19.—Could you help me download some Taylor Swift’s songs from Ku Gou?—Sorry, people download music from the Internet without pay ing, because it’s against the law. A.wouldn’t B.needn’tC.mustn’t D.couldn’t20.—We've prepared all kinds of foods for the picnic.—Do you mean I___ bring anything?A.can't B.needn't C.mustn't D.won't 21.—Who is the lady over there? Is it Miss Wang?—It __________be her. Miss Wang is much taller.A.needn't B.mustn't C.shouldn't D.can't22.You __ drive your car so fast. It's very dangerous.A.wouldn't B.shouldn't C.couldn't D.mightn't【参考答案】***试卷处理标记,请不要删除一、选择题1.B解析:B【解析】【详解】句意:你应该因为上学迟到向老师道歉。

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一、选择题1.—______ you please tell me something about the life in Canada or America?—Sorry, I______. I don’t know either. I’m from Australia.A.Could; couldn’t B.Can; couldn’t C.Could; can’t D.Can; mustn’t 2.Since you are very tired, you ______ finish the work today.A.needn’t B.may not C.mustn’t D.can’t3.—Is Wendy in the classroom now?—I’m not sure. She ________ be there. I saw her in the library ten minutes ago.A.may not B.must not C.shall not D.would not 4.The designer has tried every possible way to make the robot light, so you _____ worry about its weight.A.must B.may C.can’t D.needn’t5.All passengers_____ go through safety check before they take a plane.A.may B.can C.must D.need6.A: Is Jim coming by train?B: I’m not sure. He _______ drive his car.A.must B.may C.need D.should 7.—Jenny, you _________ push your way onto the bus.—I’m really sorry about it.A.mustn’t B.needn’t C.may not8.From March 23rd, 2013, anyone under the age of 14 ________ go into Disneyland alone. A.couldn’t B.mustn’t C.needn’t D.mightn’t 9.—Can I take some milk and biscuits to the reading room?—No, our school has a rule that students _______ eat or drink there.A.can’t B.mustn’t C.needn’t D.may not 10.— I wonder if these are Jim's glasses.—They _____his. He doesn't wear glasses.A.might be B.could be C.can't be11.—How nice the building is! What is it for? —It ________ a hotel. But I’m not sure. A.must be B.have to be C.may be D.can be12.—________ David be the new chairperson of the Students’ Union?—He _______ be, but I’m not sure.A.Can; can’t B.Can; mayC.May; must D.May; mustn’t13.—Sorry, Ms Wang. I left my homework at home. Must I hand it in today?—No, you_______ . You_______ bring it here tomorrow.A.mustn’t; should B.needn’t; must C.mustn’t; may D.needn’t; c an 14.The milk tastes bad. You’d better_______.A.throw it away B.to throw it awayC.throw them away D.to throw them away15.Since the road is muddy,it ________last night, ________?A.must be rained; wasn’t it B.must have rained; didn’t itC.must rained; d idn’t it D.must have rained; wasn’t it16.This book _____ Lucy’s. Look! Her name is on the book cover.A.must be B.may be C.can’t be D.mustn’t be 17.The flowers ________ every day, or they will die.A.must water B.can be wateredC.should water D.must be watered18.-_________ you help me with my homework?-Of course if I __________.A.Could; could B.Can't; can C.Could; can D.Can; could 19.Everyone______ be polite to their parents.A.could B.may C.should D.can20.一Hurry up, Mark! Let's cross the road as quickly as possible.一No,you . Don't you see the light is still red?A.couldn't B.wouldn't C.mustn't D.needn't 21.—We've prepared all kinds of foods for the picnic.—Do you mean I___ bring anything?A.can't B.needn't C.mustn't D.won't 22.—Tom, we’re goin g shopping at eight, right?—Yeah, but I ______ be a little late, so don’t wait for me.A.may B.should C.mustn’t【参考答案】***试卷处理标记,请不要删除一、选择题1.C解析:C【解析】【详解】句意:——你能告诉我一些在加拿大或者在美国的生活吗?——抱歉,我不知道,我来自澳大利亚。

could可以是can的过去式,但是在位于句首表示请求对方做某事的时候,表示礼貌而非过去时态。

can表示能力,表示能够做某事。

在空格一中,表示礼貌请求对方做某事,用could表示委婉语气;空格二中can’t表示回答者做不到,因为回答者来自澳大利亚而非加拿大或者美国。

故选C。

2.A解析:A【解析】【详解】句意:既然你很累,今天就不必完成这项工作了。

A. needn’t不必;B. may not 可能不;C. mustn’t禁止;D. can’t不能。

根据上文Since you are very tired,可知,情态动词needn’t表示不需要,后面直接加动词原形。

根据题意,故选A。

3.A解析:A【解析】【详解】句意:—温迪现在在教室吗?—我不确定。

她可能不在那里,十分钟前我在图书馆见过她。

考查情态动词表推测。

may not可能不;must not一定不要;shall not将不会;would not将要、会、就会,表示虚拟、假设、条件等。

根据回答句“I’m not sure”,可推测后句应该是说:她可能不在那里。

是对现在情况的推测,may not“可能不”。

故选A。

4.D解析:D【解析】【分析】【详解】句意:设计者已经尝试了所有可能的方法使机器变轻,所以你不必担心它的重量。

must必须;一定;may可以;可能;can’t不能;不可能;needn’t不必,没有必要。

根据句意The designer has tried every possible way to make the robot light可知,设计者在努力使机器变轻,所以担心是没有必要的。

故应选D。

5.C解析:C【解析】【详解】句意:所有乘客在乘坐飞机前必须经过安全检查。

考查情态动词辨析。

may可以,表许可或请求;can能,表能力或许可;must必须,指一定;need需要,指有必要。

根据句意语境可知,安检强调“必须,一定”,故选C。

6.B解析:B【解析】【详解】句意:——吉姆坐火车来吗?——我不确定,他可能开自己的车。

考查情态动词辨析。

A项,必须,一定,表示肯定推测;B项,也许,表示有可能;C项,需要;D项,应该。

根据回答部分I’m not sure.可知,此处并不确定吉姆是开车来还是乘坐火车来,所以此处是“可能”。

故选B。

【点睛】must意为“必须,应该”,可以表示主观上一定要做什么或者肯定推测。

例如:I must go home to look after my mum. This pair of shoes must be hers. may意为“可以,也许”,可以表示请求或者推测(无法断定)。

例如:May I come in? It may be hers,but I’m not sure. need意为“需要”,既是情态动词也是行为动词。

例如:You needn’t finish your homework right now. You need to tell him the truth. should意为“应该”,表示责任或者义务。

例如:You should finish practising playing the piano at first.7.A解析:A【解析】【详解】句意:——Jenny,你一定不要挤上公共汽车。

——对此我真的很抱歉。

考查情态动词。

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