语法知识—情态动词的图文解析
情态动词(20张PPT)初中英语专项复习课件
(1)只作情态动词:must;can/could;may/might;ought to
(2)既可作情态动词又可作实义动词:need,dare
((34))既 具可 有作 情情 态态 动动词词某又些可特作征稿稿定助:定hPa动PPvTP，e词T/海h:量asd素ha材tlo持l;/s续hha更odublde;twteirll/would
【知识拓展】
1. must的一般疑问句，肯定回答为Yes, ...must.；否定回答为No, ...needn’t./No, ...don’t have
to.—Must I clean the classroom now? 我必须现在打扫教室吗？
—Yes, you must. 是的，你必须。/No, you don’t have to. /No, you needn’t. 不，你不必。
He promised he would never smoke again. 他承诺他再也不吸烟了。
Their English teacher would tell them stories in
表示过去反复发生的动 English after class.
作或某种倾向
他们的英语老师总是在课后用英语给他们讲故事
新，上千款模板选择总有一
款适合你
知识点二：情态动词的特点
情态动词的特点: (1)情态动词无人称和数的变化(have to除外); (2)情态动词后接动词原形; (3)情态动词的否定式是在其后加not; have to除外 (4)具有助动词的作用，可用来构成否定句、疑问句及用于简明答语; (5)个别情态动词有现在式和稿过定去PP式T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，可稿用定于PPT过，海去量、素材现持在续更或将来。
高中英语 情态动词用法归纳全.ppt
情态动词无人称和数的变化；不能单独 使用，必须与其后的动词原形构成谓语
一、 can, could
1) 表示能力（体力、知识、技能）。 Can you lift this heavy box?（体力） Mary can speak three languages.（知识） Can you skate?（技能） 此时可用be able to代替。 Can只有一般现在时和一般过去式；而be able to则有
2. He doesn’t dare (to) answer.
3. He needs to finish his homework today.
五、 shall, should
1) shall 用于第一人称，征求对方的意见。
What shall we do this evening?
2) shall 用于第二、三人称，表示说话人给对方的命令、警告、 允诺或威胁。
七、should, ought to
1) should, ought to表示“应该”，ought to表示义务或责任， 比should语气重。
1. I should help her because she is in trouble.
2. You ought to take care of the baby.
1. You shall fail if you don’t work hard.(警告) 2. He shall have the book when I finish it.(允诺) 3. He shall be punished.(威胁)
六、 will, would
1) 表示请求、建议等，would更委婉。 Will / Would you pass me the ball, please? 2) 表示意志、愿望和决心。 1. I will never do that again. 2. They asked him if he would go abroad.
情态动词讲解精ppt课件
will/would
详细描述：will 表示现在的意愿或 预测，would 表示过去的或虚拟 的意愿或预测。
1. I will help you with your project.（我会帮助你完成你的项 目。）
总结词：表示意愿或预测
例句
2. They would have gone to the party if they had known about it earlier.（如果他们早点 知道，他们就会去参加聚会。）
表示意愿
情态动词+动词原形，如 would like to go，表示 某人想要去。
形式变化
基本形式
情态动词的基本形式包括 现在时、过去时和将来时 。
过去式
情态动词的过去式通常是 在基本形式后面加-d或ed，如could have done 、should have done等。
将来时
情态动词的将来时通常是 在基本形式后面加-will或shall，如will be able to 、shall have to等。
may与might的区别与联系
总结词
may表示现在的许可或可能性；might表示过去的可能性或许可。
详细描述
may用于肯定句中，表示许可或可能性，例如“You may use this room.”（你可以使用这个房间。 ）“The book may be in the library.”（这本书可能在图书馆里。）might表示过去的可能性，常 用于过去时态的句子中，例如“He might come tomorrow.”（他明天可能来。）
未必、很难说
She might not agree with us.
表示虚拟语气
英语语法小课堂：几张图片搞定情态动词的概念、特征及用法
英语语法小课堂：几张图片搞定情态动词的概念、特征及用法今天的语法小课堂，跟April老师来学习情态动词咯！概念情态动词是表示能力、义务、必须、猜测等说话人的语气或情态的动词。
常见的情态动词有：can(could), shall(should), will(would), may(might), must, need, dare, have to, ought to等。
形式变化情态动词的特征一、情态动词表示说话人的语气或情态，本身有词义，但词义不完全，不能单独作谓语，必须和实义动词一起构成复合谓语。
She must be your mother. 她一定是你的妈妈。
（“must be+名词”表示对现在状况的肯定推测）Everyone should obey the rules. 每个人都应该遵守规定。
（“should”表示一种客观肯定）二、情态动词没有人称和数的变化，而且后面加动词原形。
You must follow my order. 你必须服从我的命令。
She can finish the task on time. 她能按时完成任务。
He might forget what you said. 他可能忘记你说的话了。
三、在肯定句中，情态动词一般放在主语后，谓语动词前；否定式构成一般在情态动词后直接加not; 疑问句中，情态动词则在主语之前。
You had better think hard about it. 你最好仔细想想。
You musn't break the rules and regulations. 你不准违反规章制度。
Can you take my advice? 你能接受我的建议吗？How dare you say like that! 你怎敢那样说呢！常见情态动词用法常见情态动词的用法-can/could常见情态动词的用法-may/might常见情态动词的用法-must常见情态动词的用法-shall/should常见情态动词的用法-ought常见情态动词的用法-will/would常见情态动词的用法-need/dare亲爱的宝宝们，快来收藏这些图片吧，英语中情态动词的学习就基本搞定啦！。
情态动词语法讲解PPT课件
2表示“许可”和“不许”
a)请求对方“许可”可用can, could, may, might.
may/might较正式，could/might较委婉
表示给予“许可”通常用can/may,而不用 could/might
Could I use your phone? Yes, of course you can. Might I trouble you for a light? You may indeed.
表示将来的“必须”，常用have to的一定 形式（will/shall have to) 比较：
•We must do it again.(表示现在)
•We’ll have to do it again.(表示将来)
•表示过去的“必须”，常用had to
•I had to leave at six yesterday.
•They must be home by now.（他们现在一定到家了）
will/would表示“推测”可有三种情况
1）对特定事态的推测
A: Who’s that man over there? B: That will be George, no doubt. C: That would be George, I except.
• Can they have missed the bus?
• Yes, they may have.
may not重音落在助动词上，表示 “不可能”，重音落在否定词上，表 示“不许可” , 比较：
•He may not go tomorrow.
•He may not go tomorrow.
•所以在书面语中，表示“不可能” 常用can’t
情态动词讲解ppt课件
1.Can this be an excuse for not giving them help? 表示惊异、怀疑、不相信 2.This can’t be true. 等态度，主要用在否定句、 3.How can you be so crazy. 疑问句和感叹句中。
考评项目赋标准分，对照考评内容和 考评办 法对考 评项目 进行考 评，评 出各考 评项目 的考评 实际得 分，考 评类目 下各考 评项目 考评实 际得分 之和为 该考评 类目的 考评实 际得分
2.表示推测时，could不是过去式，只是语气更委婉；若是推测已发生的事或过去的情况，用can/could have done
3.can和be able to辨析 can(could)和be able to都可以表示能力，意思上没有区别。但can只有现在式和过去式，而be able to则 有更多的形式。如：
考评项目赋标准分，对照考评内容和 考评办 法对考 评项目 进行考 评，评 出各考 评项目 的考评 实际得 分，考 评类目 下各考 评项目 考评实 际得分 之和为 该考评 类目的 考评实 际得分
语法 ：情态动词
---Modal Verbs
考评项目赋标准分，对照考评内项目 的考评 实际得 分，考 评类目 下各考 评项目 考评实 际得分 之和为 该考评 类目的 考评实 际得分
After the accident it was a long time before she was able to walk again. The fire was very big, but most people were able to escape from the building.
I’ve always wanted to be able to speak fluent English. Those bags look really heavy, are you sure you’ll be able to carry them on your own?
情态动词详解ppt课件
when she was a child.
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3. 表示过去的能力 （1）could , was/ were able to 表示过去 一般的能力，即不表示做与未做某事。
She could / was able to sing like an angel
He should be around sixty years old. 他可
能60岁上下。
It’s nearly seven o’clock. Jack should be here
at any moment. （表示确定或期待）
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4）should 表示推测时，表示确定或可能有 的未来或期望，即合乎理想的情况或结果。
He may not have finished the work.
He might have caught a cold.
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5. Might have done
表示“本来可能……”，但实际上没有发生 的事。
另外，还可以表示“本应该或可以做某 事，”,含有轻微的责备语气。
You should not have swum in that sea.
that.
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7. Needn’t have done
表示“做了本来不必去做的事情”， 注意：didn’t need to do 表示“没有必 要做而实际也免于做某事”。
You needn’t have taken a taxi here, for it was very near to my house.
情态动词全部ppt课件
A．must
B．would
C．should
D．might
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• 翻译 • ----我能在这个房间抽烟吗？ .
---- 可以。 ---- 不行，… ----Might/ May I smoke in this room?
---- Yes, you can.
---- No, you mustn’t
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rule.
(威胁)
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Shall 决心、承诺、警告、命令 you \he\she\they shall…..(二三人称陈述）
When the chairman turns up, nobody shall say a word. 命令 Students shall remain in their seats until the papers have been
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5. should
1. should表示义务、职责、劝告，意 为 “应该”。
eg: You should keep your promise. Students should respect teachers.
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2）表示说话人_惊_讶______等特殊情感。
It’s surprising that Mary should not know Lei Feng.
3.must, need没有时态，但有些情态动词如can、 may,will,have to有一般式和过去式的变化。
4. 情态动词不能单独做谓语，必须和实义动词原形 一起构成谓语。
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情态动词的“时态”形式并不是时间区 别的 主要标志, 不少情况下, 情态动词的 现在式 形式和过去式形式都可用来表 示现在时 间、过去时间和将来时间。
情态动词(共43张PPT)
A．Must; mustn't
B．Will; couldn't
C．May; can't
( C ) It's really hot in the room.You'd better
the
windows. A．not to close B．don't close C．not close
(B )
—You
drive after drinking, Simon.
—You're right.I'll take a taxi.
A．wouldn't B．shouldn't C．ought to
二、用恰当的情态动词填空。
Simon, you mmuussttnn''tt play with the knife.You mmayay
在回答以 may 提问的问句时，肯定回答一般可仍用 may 或 Yes, please./Certainly./Sure./Of course.否定回答根据说话人的语气 由强到弱分别选用： mustn't/can't/may not。 —May I watch TV? 我能看电视吗？ —No, you mustn't.You must play the piano first.不，你禁止看， 你必须先弹钢琴。
need 的基本用法 意为“需要；必要”，作情态动词时常用于否定句和疑问句中。 You needn't hand in your homework tomorrow.你明天不需要 交你的作业。 Need I attend the meeting this afternoon? 我需要今天下午参 加会议吗？
常见情态动词讲解
常见情态动词讲解、情态动词的定义：情态动词有词义，但它不能单独作谓语，它必须和其他动词一起构成谓语。
情态动词没有人称和数的变化；它的后面必须跟动词原形二、情态动词的种类：三、情态动词的用法及主要句型：1、Can I help you ——Yes, please. / No, thanks.2、Can + 主语+ 动词原形Yes, ～can. No, ～can't.3、Can I borrow your book -- Y es,of course.4、Can I write on the book No, you can 't mustn't.5、Could \Can you help me - Yes,of course.\Certainly.\ Sure.6、Could \Can you tell me the way to the Zoo7、May I come in Come in, please.8、Sorry, please don ' t.9、May I have some Coke --- Yes, of course.10、May/ Could / Can I speak to Tom Speaking. Who's calling11、should 、shouldn 't 表示劝告：1) He should get up early.2) She shouldn 't play computer game too much.12、Should + 主语+ 动词原形Yes, ～should.\ No, ～shouldn ' t.13、表示建议“你愿意⋯吗” ---Would you like to go shopping with me--- Yes, I 'd love to. /I 'd love to. But I 'm busy now.14、就餐用语Would you like something to eat\drink Yes, I 'd like ⋯15、shall 用于第一人称(I, we), 可以表示“将”和表示建议“⋯⋯好吗”1) Where shall we have dinner2) Shall we go fishing --- All right. \OK. \Good idea.16、Must + 主语+ 动词原形---Yes, ～must.\No, ～needn't. 四．常见情态动词的区别：1. can (could)1) 表示能力，could 主要指过去时间。
初中英语语法大全——情态动词(共25张PPT)
三. must的用法
1.表示必须 must表示必须多指现在或将来的情况,强调说话者的主观语气即说话者认 为有必要或有义务做某事。对其一般疑问句的肯同答用must,否定回答用 needn't或者don't have to。 Everyone must take notes carefully in Professor Liu’s class. Must I finish the work tonight ? ---Yes, you must. --- No, you needn’t /don't have to.
九、had better的用法
1. 表示劝告或建议 eg: You' d better eat these bananas before they go ba d. 2. had better的否定形式 其否定形式是将not直接放在had better的后面。 eg: You had better not miss the last bus.
3.表示请求或允许 (1)用could 比用can更加迟疑不决,当没有把握得到允许或需 要委婉表达时用could。 eg: Could I take this seat, sir, if you don't mind? eg: You can phone me after six this afternoon. 当允许别人做某事时,答语用cause your cell phone for a while? --- Yes, of course you can.
五. will/would的用法
1、表示意愿 表示自愿做或主动提出做建电如意志 愿望或决心等，可用于各种 人称。would是will的过去式。 eg: I won’t argue with you.我不愿意和你争辩。 eg: Jane said she would not go with Tom, for she didn’t like him. 简说她不愿和汤姆一起去，因为她不喜欢他。
初一情态动词语法讲解ppt课件
A. can
B. must
C. should
D. May
10.—May I smoke here?
--No, you __________ only do that in the smoking room.
A. can
B. can’t
C. must
D. mustn’t
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否定回答：
就划线部分提问：Yes, he can.
No, he can’t.
What can your elder brother do?
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Practice
2.You ______________m__a_y_ (可以) leave now. 否定句：
You may not leave now. 一般疑问句：
应该 意愿 敢 需要 不得不
+ 动词原形
3
肯定
can could may might must should
否定
can not could not may not might not must not should not
缩写否定
can’t couldn’t
/ mightn’t mustn’t shouldn’t
6.—Must I answer this question in English? --No, you _________.
A. mustn’t B. can’t
C. needn’t
D. shouldn’t
7.—Alice, please be quiet! The others __________ hear clearly.
Grammar： Modal verbs
情态动词
高中英语语法 情态动词用法总结(20张PPT)-经典通用课件资料
A. could B. would C. should D. might
C
2. What do you mean, there are only ten tickets? There_____
A. should CA. will
B. would D. shall
be twelve.
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5. must
1. 表示义务或强烈的劝告，意为“必须”“应该”， 其否定式表示“不应该”“不许可” “不准”“禁止”。
Eg: 1) You must finish your homework first. 2) Children mustn’t speak like that to their parents.
3. 表推测，用于肯定句，意为“一定”“务必”。
Eg: 1) Betty must be in the next room. 2) He must be watering the flowers in his garden.
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Complete the following sentences using modal verbs.
5) Can/Could I use your dictionary? 6) Could you lend me a hand?
3. 表示“请求” “允许”(表请求时，口语中常用 could 代替 can 使语气更委婉，回答时用can)
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4. 表示“许可”，可与may 换用。 You can go home now.
1. 表“请求、建议”等，用 would 比用will 委婉，客气些 Eg: 1)Will you lend me your book? 2) Would you like a cup of tea?
情态动词(讲解版)
Modal Verbs表示说话人的情绪、态度或语气的动词叫情态动词。
1）情态动词不能单独作谓语，没有人称，数的变化，即情态动词第三人称单数不加-s。
2）情态动词的否定式是在情态动词后面直接+not。
3）情态动词的疑问式是把情态动词提到主语前。
can, could（be able to）may, mightmust （have to）will, would shall, should ought to needdareI.can/ could1.___Can___ you speak Japanese Just a little.2.Only the judge ___can___ save her from prison.3.I ___could___ drive a car before I left middle school.4.It was so dark that I ___could___ see nothing.Note: 表能力、有权力（could是can的过去式）5.--___Can/Could ___ I go home now --Yes, you can.–No, you can’t.6.--___Can/Could___ I speak to Andrew7.You ___can’t___（not）smoke here.Note: （口语）允许、请求，表可以 (could非can的过去式，表委婉)8.It ___can___/could ____ be very cold here, even in spring.9.She is clever, but she ___can___/could___ be dull sometimes. Note: （表示偶然现象发生的可能性）有时会，时而可能10.It ___can’t___/couldn’t___(not) be my father. He is abroad now.11.There is someone outside. Who ___can___ it be12.You __can’t/couldn’t have seen him__ (not see) him. He was not there.13.She __ can’t/couldn’t have been ___(not be) more than six then.14.He __ can’t/couldn’t have finished___ (not finish) the work lastnight without your help.Note: 表推测（否定、疑问句）15.He __could have told__(tell) me the answer but he refused to. Note: 过去本能做而没有做16.You _cannot/ can never_________ do the work too well.17.You _cannot /can never__ be careful enough in your study.Note: cannot…too; can never... too; cannot enough再…都不为过；越…越好can & be able to区别：1. can 只有两种时态现在时can & 过去时 couldbe able to 有各种时态2. 用于一般所具有的能力，可以互换，但是当表示成功做到时，通常用be able to或manage to1.He _can/is able to_ write music.2.We shall __be able to__ finish the work soon.3.I haven’t_been able to_ find the book.4.He _could/was able to__ swim like a fish when he was young.5.I talked with her for a long time and finally I __was able to_ makeher believe me.6.The fire spread through the building quickly but everybody ___was ableto /managed___ to escape.II.may/might1.--__May___ I leave now--Yes, you __may__./Yes，please.--No, you __may not /can’t/mustn’t___.2. He asked if he _might_____ use the phone.3. We start early so that we _may/might___ arrive in time.Note: （允许、请求）可以4. __May__ you be happy all your life.Note: 祝、愿5. John is absent. He __may/might_____ be ill.6. It _may/might______ rain tomorrow or it __may/might_____ be merely cloudy.7. I can’t find my book. I _may/might have left___(leave) it in your office just now.8. You know this story very well. You _may/might have read___(read) it before.Note: 表推测9. We start early so that we ___may ___ arrive in time.10. I wrote down his telephone number so that I ___might___ remember it. Note: 表目的（用于目的状语从句中）maybe & may be11. He ___may be ___ here. I’m not sure.12. ____Maybe______ you should call him.13. –Are you going out tonight-- ____Maybe____.III.must1.You __must___ have a passport if you want to go abroad.2.Drivers __mustn’t___ drive after drinking.Note: （义务、责任、强制、命令）必须应该3.You _must_______ first finish your homework before you watch TV.4.--_Must________ I come tomorrow--Yes, you __must____.--No, you __needn’t/ don’t have to_____.Note: （说话者主观上的意愿、建议、命令等）应该、必须、务必5.Winter __must___ be followed by spring.6.All living things ___must___ die.Note: 表示客观规律不可避免性或必然性，注定要，必然（只用于肯定句）7.You __must___ be ill. I can see it from your face.8.You __must have read___(read) the book. You know the story very well.9.There’s much noise from next door. They __must be having__(have) aparty.Note: 表肯定推测Must & have to区别：1. have to 用于各种时态，还可和其它情态动词连用2. have to 表示因客观环境的迫使而不得不做某事1.-- Let’s see a movie tonight.--I’d love to, but I __have to____ take care of my mom.2. They __had to__ speed up, for the weather turned terrible.3. They will ___have to ___ get up early tomorrow.4. We may ___have to___ put off the plan.5. You ___don’t have to ___ tell him about it.不一定要6. You ___mustn’t ___ tell him about it. 一定不要IV.shall1.I __shall________ ring you as soon as I arrive.Note:将来时（第一人称）将要、会2.__Shall______ I open the window for you3.Let’s go to the cinema tonight, __shall___weNote: （在问句中表示说话人征求对方意见或提出建议，用于第一、三人称）…好么V. should & ought to1.We hoped that we __should______ be able to do that.Note: 用于过去将来时2.You _should/ought to____ be more careful next time.3._Should____ I call him and apologizeNote: (表示建议、劝告、命令、要求) 应该，必须（ought to 语气强）4.It’s 4:30. They __should______ be in New York by now.Note: (表示说话者根据一定的依据猜测、推测、推论等)该，可能5.You _should have told__(tell) me earlier about it, but you didn’t.6.You __shouldn’t have done_________ (do) that to your mother, but youdid.Note: 过去按理该…而实际没有…（常有责备、埋怨、惋惜之意）VI. will1.He _will____ come back soon.Note: 将来时2.I hope you __will____ succeed.3.I __will____ do my best to help you.Note: （表意愿、决心、承诺）要、愿、想、会、保证4.When he is in trouble, he __will______ turn to his coach for help.5.I _will___ turn you out of doors if you don’t keep quiet.Note: 状语从句VII. would1.He told us that he __would______ meet us at the airport.Note: 过去将来时2.--__Would______ you mind my smoking--Yes, _please don’t. /You’d better not. _______________.---No, __go ahead______________Note: 提出请求、邀请（委婉）3.I __would________ like to see a film tonight.4.I _would____ rather not leave you here.5._Would __ you please _not smoke____(not smoke) hereNote: 意愿、决心、喜欢等6.He _would_________ be delighted if I went to see him.7.If you had come earlier, you _would have seen__(see) him.Note: 条件句（虚拟）8.When he was young, he __would__often __walk___ (walk) in these woods. Note: （表过去习惯性、经常性的行为或动作）总是VIII. need (情态动词没有过去式)Note: 1) need 作实意动词，有人称、时态和数的变化2) need 作情态动词，只能用在否定句和疑问句中，没有人称、时态和数的变化need sth don’t need sth Do … need sthneed to do don’t need to do Do …need to do…needn’t do Need …do …1.He __needs to_________(go) there now.2.He _need not/ doesn’t need to go__ (not go) there now.3.--__Need_/Does ______he ____go_/need to go___(go) there now-- Yes, he _must__/does______.--No, he _needn’t_/doesn’t________.4. He needs to finish the work by Friday, ___doesn’t______ he5. He needn’t stay there, __need_______ he6.He __needn’t have given_____ (not give) her so much money at the time,and now he regrets it.Note: needn’t have done过去本不必做却做了need doing & need to be done7.I _need to__ (repair) the computer.The computer __needs repairing_____.(repair)The computer __needs to be repaired____(repair)IX. dare （情态动词有过去式dared）Note: 1) dare作实意动词，有人称、时态和数的变化2) dare作情态动词，只能用在否定句和疑问句中，没有人称和数的变化,但有过去时。
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句意：乔的生日我给她买了一条漂亮的项链。她可能会喜欢，但是我不确定。
考查情态动词表示推测。can表示能、可以；may表示可能，might是其过去式；must表示一定、必须。根据题干中but I'm not sure．可知可能性较小的推测，则可用may或者might，B项中may后有系动词be，原句中有动词like，则只能用might。故选C。
A．couldn'tB．wouldn'tC．mustn'tD．needn't
20．（2017 •湖北省宜昌市中考）—Life is becoming convenient with the Internet.
—That’s true! Almost everythingbe done online.
A．can’tB．mustn’tC．don’tD．needn’t
16．---I heard they went skating in the mountains last winter.
---It ______ true because there was little snow there.
A．may not beB．won’t beC．couldn’t beD．will be
A．wouldn’tB．needn’t
C．mustn’tD．couldn’t
22．Since the road is muddy,it ________last night, ________?
A．must be rained; wasn’t itB．must have rained; didn’t it
11．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。亲爱的，你可以自由地做出你自己的决定。考查情态动词。A. shouldn’t不应该；B. mustn’t不允许；C. needn’t不必；D. can’t不能。根据No, you, my dear. You’re free to make your own decision.可知此处为否定回答，must的含义是“必须、一定”，其否定形式mustn’t表示“禁止”的含义；在这里根据语境可知不是“禁止”的意思。对must开头的一般疑问句作否定回答，一般用needn’t或don’t have to，故答案选C。
A．couldn’tB．mustn’tC．needn’tD．mightn’t
6．—Hi, Lucy, may I sit here?
—No, ________. The seats are for teachers and parents.
A．you needn'tB．you aren'tC．you mustn'tD．you don't
17．—The food ________be delicious . You ate it up .
—You bet . My mum cooked it for me .
A．mustB．mayC．canD．need
18．–Is Mike coming to the fashion show tomorrow?
考查情态动词辨析；mustn’t表禁止；needn’t不需要；should应该；must必须；may可能；can能，可以，根据Must引导的一般疑问句，否定回答用needn’t，排除A和C，由语境可知，第二个空应该是你可以明天把它带到这，排除B，故选D。
9．C
解析：C
【解析】
【分析】
【详解】
句意：——这个读书报告很重要。你必须仔细地写。——但我现在必须交上它。
--I’m not sure. He ______ not come.
A．mustB．canC．mayD．should
19．一Hurry up, Mark! Let's cross the road as quickly as possible.
一No，you. Don't you see the light is still red?
考查情态动词。must必须，表示说话人主观上的看法；have to不得不，必须，强调客观需要。第一句表示说话人认为对方必须认真写，是主观看法，第二句表示客观需要不得不现在上交，故选C。
10．C
解析：C
【解析】
【详解】
句意：——今天晚上我必须完成作业吗？——不，你不必。你有三天的假期。
考查情态动词词义辨析。won't将不；mustn't禁止；needn't不必。根据句意"今天晚上我必须完成作业吗?不，你不必。你有三天的假期"可知。要填"不必"，其它选项语意不通。故选C。
4．—Jenny, you _________ push your way onto the bus.
—I’m really sorry about it.
A．mustn’tB．needn’tC．may not
5．From March 23rd, 2013, anyone under the age of 14 ________ go into Disneyland alone.
A．won'tB．mustn'tC．needn't
11．—Must I go out to have dinner with you, Mum?
—No, you, my dear. You’re free to make your own decision.
A．shouldn’tB．mustn’tC．needn’tD．can’t6．C Nhomakorabea解析：C
【解析】
【详解】
句意：——你好，Lucy，我可以坐在这儿吗？——不，你不可以。这些座位是留给老师和家长们的。
考查情态动词。you needn’t你没有必要；you aren’t你不是；you mustn’t你不能；you don’t你不。句中may表示请求许可，否定回答用No, you mustn’t，故选C。
—But I ________ hand it in now.
A．must; mustB．have to; must
C．must; have toD．have to; have to
10．—Must I finish my homework this evening?
—No,you ________.You have a three﹣day holiday.
5．B
解析：B
【解析】
【详解】
句意：从2013年3月23日开始，14岁以下的人禁止单独去迪士尼乐园。
考查情态动词词义辨析。couldn’t不能；mustn’t禁止，不允许；needn’t不必；mightn’t可能不。根据题意可知14岁以下的人禁止单独去迪士尼公园，表达一种强制规定，用mustn’t禁止，不允许。故选B。
A．mustB．shouldn’tC．should
14．-_________ you help me with my homework?
-Of course if I __________.
A．Could; couldB．Can't; canC．Could; canD．Can; could
15．— Must I go home? — No, you ________.
C．must rained; didn’t itD．must have rained; wasn’t it
【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：一整天都在下雨，因此我不得不待在家里。
考查情态动词。can’t不能够，has to不得不，三单形式；have to不得不。根据句意可知天下雨，所以不得不待在家里，have to符合题意，且I是第一人称，故用have to。故选C。
A．mustB．wouldC．shouldD．can
21．—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 the law.
7．A
解析：A
【解析】
【详解】
句意：——Tom，我们8点将会去购物，对么？——是的，但是我可能会晚一点，所以不要等我。
考查情态动词词义辨析。A. may可能；B. should应该；C. mustn’t禁止。根据句意可知是可能会晚到。故选A。
8．D
解析：D
【解析】
【详解】
句意：——抱歉，王老师，我把我的作业落在家里了，我今天必须上交吗？——不，你不需要，你可以明天把它带到这。
一、选择题
1．It’s raining all day, so I ________ stay at home.
A．can’tB．has toC．have to
2．Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
A．mustn’tB．ought not toC．needn’tD．don’t have to
3．I’ve bought a nice necklace for Jo’s birthday. She _____like it, but I’m not sure.
A．canB．may beC．mightD．must
2．A
解析：A