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情态动词can may must need及练习

考点二：情态动词can 的用法，表示某人能做某事。

肯定句：主语+can+动词原形+其他

I can play the piano .

否定句：主语+can +not(can’t)+动词原形+其他

I can not (can’t) play the piano .

一般疑问句：Can +主语+动词原形+其他?

Can you play the piano?

特殊疑问句：特殊疑问词+ can +主语+动词原形+其他?

What can you play ?

can play the piano

情态动词must, can, could, may, might

表推测的用法：

情态动词中的must, can, could, may, might都表推测。其中must的可能性最大，can / could次之，may / might最小。具体用法如下：

1. must的用法

（1）表示推测“可能性”时，意思是“一定、准是”，语气较肯定，较有把握。

He must be American. = It is certain that he is American. 他准是个美国人。（2）must表推测只能用于肯定句。如果要表示“一定不、肯定不”的意思时，应用can`t,如询问某种可能时，应用can。

He must know my address. 他肯定知道我的地址。（一定）

He can`t know my address. 他肯定不知道我的地址。（一定不）

Can he know my address? 他知道我的地址吗？（询问可能性）

（3）must表示推测时，可以推测现在/正在发生的动作/过去发生的动作。

He must have a car now. （现在）他一定有辆小汽车。

He must be doing his exercises in the classroom.（正在进行）他一定在教室里做练习。

He must have finished the work.（过去发生）他一定已完成了工作。

注：

must表示推测时很少用于将来的情况。一般不用He must come tomorrow.可用It`s certain / I`m sure that he will come tomorrow.

（4）在反意疑问句中，当附属部分含有表示推测意义的must时，疑问部分的助动词应与must

后面的动词在非推测情况下的用法保持一致。

He must be a worker, isn`t he? （现在）他准时个工人，是吗？

It must have rained last night, didn`t it? （过去）昨晚一定下雨了，是不是？

You must have learned English for many years, haven`t you? （完成时）你一定学了好多年英语，是吗？

2. can / could的用法（1）can表示推测“可能性”时，往往用于否定句或疑问句。Can`t “一定不”，语气很肯定。can在疑问句中意思是“会、可能”。

He can`t be at home. = It is impossible that he is at home. 他一定不在家。

（2）can /can`t后可接进行时/完成时，表示对现在发生的动作或过去发生的动作进行推测。

They can`t be reading in the library. 他们一定不在图书馆读书。

He can`t have gone to Shanghai for I saw him a minute ago.

他不可能去了上海，我刚才还看见他。

It`s so late. Where can she have gone? 天晚了，她可能去哪儿了呢？

（3）在反意疑问句中，当陈述部分含有表示推测意义的can`t时，疑问部分的助动词应与can`t后面的动词在非推测情况下的用法保持一致.

He can`t be a teacher, is he? 他不是教师，是吗？

She can`t have finished her homework, has she? 她一定没有完成家庭作业，是不是？（4）could可用于表示某事有可能发生或可能是事实。

Don`t eat it. It could be poisonous. 不要吃它，可能有毒。

The plane could be delayed by fog. 飞机可能会因为雾晚点。

（5）could还可以用于表示客气、委婉、礼貌的请求语气。

Excuse me, could you tell me the way to the bus station? Could you help me? （6）couldn`t表示否定推测，表示某事不可能真实，或由于特定事实或环境某事肯定不会发生。

It couldn`t possibly be poison. 这不可能是毒药。

注：有时与形容词的比较级连用强调某人或某物不可能再更多地具有某种属性。

You couldn`t be more wrong. 你真是大错特错。

I couldn`t be happier. 我简直是幸福极了。

3. may和might的用法

（1） may, might表示推测“可能性”时，意思是“可能”、“也许”，语气没有must肯定。

He may / might be American. = It is possible that he is American. 他可能是个美国人。

注：might不表示过去时态，只是语气上比may更委婉，表示的可能性更小。

（2）may, might表推测时，可以用于否定句，意思是“可能不、也许不”，但不用于疑问句。

He may / might not be at home. 他也许不在家。

（3）may, might可以推测现在正在发生的动作或过去发生的动作。

He may / might be sleeping now. 现在）他可能正在睡觉。

The boy may / might not be watching TV at home. （现在）这个男孩可能没在家看电视

These students may / might have seen the film before.（过去）这些学生以前可能看过这部电影。

（4）may, might还可以推测将来的情况。

I think we should take raincoat with us, it may rain. 我想我们应该带上雨衣，可能要下雨了。

She might not come this afternoon. 她今天下午可能不来了。

Exercises: Complete the sentences using“must”or“can`t”.

1. I have tried to call him at the office, but there is no reply. He be at home .

2. They have bought a new car. They have a lot of money.

3. She is carrying a Japanese newspaper. She be Chinese.

4. He goes abroad a lot, He have an important job.

5. She is a professor at the university. She be very clever.

6. She is acting in a Shakespeare play tomorrow. She be an actress.

【随堂练习】

一. 选择填空

1. I thought you ______like something to read. So I have brought you some book.

A. ought

B. might

C. could

D. must

2. –That man must be Sarah`s husband.

--No, he______ be her husband. She is still single.

A. can`t

B. mustn`t

C. may not

D. ought to

3. Peter ______come with us tonight, but he isn`t very sure.

A. must

B. may

C. can

D. will

4. –What ______it be?

--It______ be a mail box, for it is moving. It______ be a car.

A. can; can`t; must

B. can; can; must

C. can; mustn`t; must

D. must; mustn`t; can

5. –Look, someone is coming. Guess ______.

--Jack. He`s always on time.

A. who can it be

B. who he may

C. who he can be

D. who it can be

6. –I saw Mary in the library yesterday.

--You______ her. She is still abroad.

A. mustn`t see

B. can`t have seen

C. mustn`t have seen

D. couldn`t see

7. David, you_____ play with the valuable bottle, you _____break it.

A. won`t; can`t

B. mustn`t; may

C. shouldn`t; must

D. can`t; shouldn`t

8. Susan refuses to marry Jack now. She _____her mind.

A. must change

B. should have changed

C. must have changed

D. would have changed

9. Sue______ come together with us tonight, but she isn`t very sure yet.

A. must

B. may

C. need

D. will

10. Aunt Margaret_____ the rain, otherwise she would have arrived here by now.

A. must have missed

B. should have missed

C. had missed

D. might miss

1．Who is the man over there? Is it Mr. Wu?

— It ________ him, but I am not quite sure.

A. may be

B. maybe

C. is

D. must be

2．Some people feel sick when they read a book in a car or on a boat．A．must B．should C．may D．need

3．---Must I go to medical school and be doctor like you，Dad？

--- No, you __________, son. You’re free to make your own decision.

A. can’t

B. mustn’t

C. shouldn’t

D. don’t have to

考点：考查情态动词辨析。

4．You be hungry after the long walk. Help yourself to some cakes.

A. should

B. must

C. need to

D. ought to

5．Could you please_____ the piano so loudly? Your brother is having a rest now. A. not to play B. not play C. don’t play D. to not play 6．—That pink T-shirt with Ping An’s picture on it ______belong to Miss Ma. She admires him a lot.

—No, it _____ be hers. She hates pink colour.

A. mu st, can’t

B. may, can’t

C. can, mustn’t

D. must, mustn’t

7．---Must I answer it in English?

---No, you _______. You can use Chinese.

A. shouldn’t

B. can’t

C. mustn’t

D. needn’t

8．---- ________ we go swimming in Xishuanghu Lake today?

---- Oh, no. It’s ________ cold to swim on such days. I will catch a cold. A. Will; very B. Will; too C. Shall; very D. Shall; too 9．People who drink wine ____________ to drive after May Day.

A.don’t allow

B.isn’t allowed

C.mustn’t allow

D. mustn’t be allowed 10．—I was asked to attend the meeting before eight.

—Oh, you________. I'm sorry for not telling you that we have changed the plan. A. must B. can't C. may D. needn't

11．You have worked for a long time. You ____________ be very tired.

A. must

B. can’t

C. could

D. mustn’t

12．---Can I ask you a question?

--- No, you________. You _______to ask me questions during exams.

A. can’t, mustn’t

B. can’t, aren’t supposed

C. can, aren’t supposed

D.can, don’t have

13．What ______you do if you _______ in Grade 7 now?

A. could, are

B. would, are

C. could, was

D. would, were

【答案】D

14．This CD _______ belong to Bill. It has his name on it.

A. mustn’t

B. might

C. can’t

D. must

【答案】D

15．You drive your car so fast. It’s dangerous.

A. wouldn’t

B. shouldn’t

C. couldn’t

D. mightn’t

【答案】B

16．------Shall we meet at the station at 8 a.m?

-------In fact we________.The train _______until 10a.m.

A.mustn’t ;doesn’t leave

B.mustn’t ;leaves

C.needn’t ;won’t leave

D.needn’t;will leave

【答案】C

17．---Mum,_______ I watch TV?

---No. Unless your homework _______________.

A. could; finishes

B. can; will fin ish

C. may; is finished

D. can; will be finished

【答案】C

【

18．–Look! A man is cutting a tree on the moon.

--It ______ be true. The teacher said there is no air on the moon.

A. can’t

B. may not

C. shouldn’t

D. mustn’t 【答案】A

19．—_____ you please play tennis with me? —Sorry, I _____.

A. Could; can’t

B. Could; couldn’t

C. Can; don’t

D. Can; couldn’t

【答案】A

20．---I broke the window.

---You___ play football near the window.

A.should

B. shouldn’t

C. had better

【答案】B

21．—____________you swim? —Yes，but I’m not a good swimmer.

A. Can

B. May

C. Need

D. Must

【答案】A

22．—Is the woman over there Miss White?

—It ______ be her. She’s gone to Hangzhou.

A. must

B. can’t

C. needn’t

D. may

【答案】B

23．—Can your friend sing?--______.

A.Yes,I can

B.Yes, he can

C.No,she can

D.No,I can’t

【答案】B

。

24．---- Where is Kate ?

--_______she is cleaning the classroom.

A. May

B. May be

C. Maybe

D. Can

【答案】C

【解析】

25．She ________ come to the party, but I am not quite sure.

A. would

B. should

C. might

D. must

【答案】C

【

26．--- Are you coming to Davy’s party, Kate ?

--- I’m not sure, I ________ go to the movies instead.

A. would

B. should

C. might

D. must

【答案】C

27．It's the library! So you_______ make any noise here.

A. mustn't

B. won't

C. need

D. may

【答案】A

【解析】

28．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 to 【答案】A

29． -May I watch TV now, Mum?

-No, you_______. You_______ do your homework first.

A. don't; must

B. don't; can't C: can't, must D. can't; can

【答案】C

30．—There’s somebody at the door. Who ______ it be? Is it the postman ?—No, it ______ be him. It’s just seven o’clock. It’s too early.

A. may, can’t

B. will, won’t

C. may, mustn’t

D. must, may not

【答案】A

31．--____________ you sing an English song?

--- Yes, I can.

A. Can

B. May

C. Must

D. Need

【答案】A

32．—Is John coming by train?

—He should, but he not. He likes drivin g his car, but I’m not quite sure.

A. must

B. can

C. may

D. need

【答案】C

33．“Where’s my book? I can’t find it”.“It _______ on your desk.”

A. may be

B. maybe

C. maybe is

D. may is

【答案】A

二. 用 must / can / could / may / might 正确形式填空.

1. –Could I borrow your dictionary?

--Yes, of course you__________ .

2. She doesn`t answer the bell. She __________be asleep.

3. The ground is wet. It__________ have rained last night.

4. He is writing with a pencil. He __________have lost his pen.

5. A computer think for itself, it __________be told what to do.

6. There is much gas here, you__________ smoke here.

7. –Was he present at the meeting?

--He__________ not have attended it, for he was busy repairing his car all the time.

8. Look! An old man is lying in the middle of the street. He __________be hurt in an accident.

9. Nobody saw her at the meeting yesterday, she__________ have spoken at the me eting

10. –My goodness. I just missed the train.

--That`s too bad. I am sure you __________have caught it, if you had hurried.

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情态动词can may must need及练习

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2010-2016年情态动词高考真题

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初中英语情态动词专项练习题

情态动词情态动词是一种本身有一定的词义，但要与动词原形及其被动语态一起使用，给谓语动词增添情态色彩，表示说话人对有关行为或事物的态度和看法，认为其可能、应该或必要等。情态动词后面加动词原形。情态动词有四类： ①只做情态动词：must,can(could),may(might)…… ②可做情态动词又可做实义动词：need，will ③具有情态动词特征：have(had,has) to,used to，ought to ④情态动词表猜测：一肯一否三不定（must一肯，can not一否，may，might，could，三不定。）注：mustn't代表强烈禁止 must表示主观，have to表示客观。常用的有：can may could must have use . 情态动词无人称和数的变化，情态动词后面跟的动词须用原形，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。情态动词表推测的用法小结（一）情态动词表推测的三种句式 1．在肯定句中一般用must （一定），can,could（可能），might /may（也许，或许）。 e.g:(1)He must/can/may,might know the answer to this question. 他一定/可能/也许知道这个问题的答案。 (2)It is cold in the room. They must have turned off the heating. 屋里很冷，他们肯定把暖气关了。 2．否定句中用can’t / couldn’t（不可能），may not/might not（可能不）。

情态动词讲解归纳优选稿

情态动词讲解归纳集团公司文件内部编码：（TTT-UUTT-MMYB-URTTY-ITTLTY-

链接中考语法：情态动词一、情态动词的特点：情态动词，又叫情态助动词。它们具有以下特点： ⑴它们必须与其他动词连用，即：情态动词＋动词原形，表示说话人对所述动作的看法，如需要、可能、意愿或怀疑等。 ⑵绝大多数情态动词没有人称和数的变化，即第三人称单数不加-s（以be和have开头的情态动词短语除外）。 ⑶在意义上，情态动词具有“多义性”。例如：can既可表示能力，又可表示可能、允许等意义。二、部分情态动词的基本用法： 1.can的基本用法： ⑴表示体力或智力上的能力，即“能够，会”，可与beableto转换。例如：HecanspeakEnglish./HeisabletospeakEnglish. 他会讲英语。Canyouplaybasketball— No,I can’t.你会打篮球吗——我不会。如果表示将来具备的能力，要用willbeableto。例如：IfIhaveagoodsleep,Iwillbeabletodotheproblem. 假如我睡个好觉，我就能做那道题目了。

⑵表示许可，主要用于口语，书面语一般用may。例如：Canwegohomenow,please— No,you can’t.我们可以现在就回家吗——不可以。Youcanonlysmokeinthisroom. 你只能在这间房间里抽烟。 You can’t keepthelibrarybooksformorethanamonth.图书馆的书借期不可超过一个月。 ⑶表示“可能”，与may同义，但一般用在疑问句中。例如：Whatcanhepossiblywant他可能会想要什么呢另外，在否定句中，否定形式can’t表示推测“不大可能”。例如：Anybodycanmakemistakes. 任何人都可能会犯错误。Thenews can’t betrue.那消息不大可能是真的。与第一、二人称连用时，还可以就可能的解决问题的方式或可能的行为提出建议。在这里，也可用could使语气婉转。例如： Can/Couldwemeetagainnextweek下周我们可以再见面吗Whatshallwedo—Wecan/couldtryaskingLucyforhelp.我们怎么办呢—— 我们可以请露茜帮忙试试看。Youcan/couldhelpmewiththecooking.你可以帮我做饭。 2.may的基本用法: ⑴表示“许可”，用can比较口语化。例如：Youmay/cancomeifyouwish. 如果你想来，你就来。Youmaynotpickflowersinthispark.

历年全国高考英语情态动词试题汇总及答案

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对情态动词must,may,need的回答

用must\need\may开头的疑问句回答的肯定和否定回答形式 —Must I do it at once？ —No，you ____ ． A．mustn't B．needn't C．can't D．don't 此题应选B。一般说来，以must 引出的一般疑问句，其否定回答通常是用needn't （=don't have to），这与其说是一个语法问题，不如说是一个语境或上下文是否通顺的问题。注意以下各组问答句，并注意体会其汉语译文： 1．—Must I come before dawn？我必须天亮前来吗？ —Yes, you must．是的，必须天亮前来。 —No, you needn't．不必天亮前就来。 —No, you don't have to．不必天亮前就来。 2．—May I smoke in the room？我可以在这个房间抽烟吗？ —Yes, you may．当然可以。 —Of course, you may[can]．当然可以。 —No, you may not[mustn't，can't]．不行。（语气较生硬） —You'd better not[Better not]．最好不要抽。 —I'd rather you didn't．还是不抽的好。 —Please don't．请不要抽。 3．—Need I finish it today？我必须今天完成它吗？ —Yes, you must [have to, should]．是的，今天必须完成它。（肯定回答不能用Yes，you need，因为情态动词need 只用于否定句或疑问句，不用于肯定句） —No, you needn't．不必今天就完成它。 —No, you don't have to．不必今天就完成它。

(完整版)高中情态动词历年高考真题集锦(附答案)

高考情态动词历年真题一、单项选择题： 1．来源：2012年江西省高考英语试题难度：A We _______have bought so much food now that Suzie won’t be with us for dinner. A. may not B. needn’t C. can’t D. mustn’t 2．来源：2012年江苏省高考英语试题难度：A — Happy birthday! —Thank you! It’s the best present I _______ for. A. should have wished B. must have wished C. may have wished D. could have wished 3．来源：2012年辽宁省高考英语试题难度：A One of our rules is that every student ______ wear school uniform while at school. A. might B. could C. shall D. will 4．来源：2011年高考英语（新课标卷）难度：A They ____ have arrived at lunchtime but their flight was delayed. A. will B. can C. must D. should 5．来源：2011年高考英语（湖南卷）难度：A — No one ____ be compared with Yao Ming in playing basketball. — Oh, you are really his big fan. A. can B. need C. must D. might 6．来源：2011年高考英语（福建卷）难度：A — Shall I inform him of the change of the schedule right now? — I am afraid you ____, in case he comes late for the meeting. A. will B. must C. may D. can

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