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高中语法情态动词及强化练习(1) 2

高中语法情态动词及强化练习(1) 2
高中语法情态动词及强化练习(1) 2

情态动词记忆口诀:

情态动词两要点;动词原形跟后面,说话语气较委婉,can表"能力"may"许可",must"责任"或"义务",否定回答"needn't"换;should"应该",would"愿",have to "被迫"表客观.

注释:对must构成的一般疑问句作否定回答只能用needn't.

情态动词有can (could), may (might), must, have to, shall (should, will (would), dare (dared), need (needed), ought to等。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则有更多的时态。I’ll not be able to come t his afternoon.

当表示―经过努力才得以做成功某事‖时应用be able to,不能用Can。如:

He was able to go to the party yesterday evening in spite of the heavy rain.

2) 表示请求和允许。

-----Can I go now?

----- Yes, you can. / No, you can’t.

此时可与may互换。在疑问句中还可用could, might代替,不是过去式,只是语气更委婉,不能用于肯定句和答语中。

---- Could I come to see you tomorrow?

---- Yes, you can. ( No, I’m afraid not. )

3) 表示客观可能性(客观原因形成的能力)。

They’ve changed the timetable, so we can go by bus instead.

This hall can hold 500 people at least.

4) 表示推测(惊讶、怀疑、不相信的态度),用于疑问句、否定句和感叹句中。

Can this be true?

This can’t be done by him.

How can this be true?

二、may, might

1) 表示请求和允许。might比may语气更委婉,而不是过去式。否定回答时可用can’t

或mustn’t,表示―不可以,禁止‖。

----Might/ May I smoke in this room?

---- No, you mustn’t.

---- May/Might I take this book out of the room?

---- Yes, you can. (No, you can’t / mustn’t. )

用May I...?征徇对方许可时比较正式和客气,而用Can I...?在口语中更常见。

2)用于祈使句,表示祝愿。

May you succeed!

3) 表示推测、可能性(不用于疑问句)。

might不是过去式,它所表示的可能性比may小。

1.He may /might be very busy now.

2.Your mother may /might not know the truth.

三、must, have to

1) 表示必须、必要。

You must come here on time.

在回答引出的问句时,如果是否定的,不能用mustn’t(禁止,不准),而用needn’t, don’t have to(不必).

---- Must we hand in our exercise books today?

---- Yes, you must.

---- No, you don’t have to / you needn’t.

2) must是说话人的主观看法,而have to则强调客观需要。Must只有一般现在时,have to 有更多的时态形式。

1.His play isn’t interesting, I really must go now.

2.I had to work when I was your age.

3) 表示推测、可能性(只用于肯定的陈述句)

1.You’re Tom’s good friend, so you must know what he likes best.

2.Your mother must be waiting for you now.

3. The road is wet. It must have rained last night. 马路湿了,昨晚一定下雨了。(must加完成式,说明对过去事物的推测,表示―一定‖或―准是‖的意思。)

四、need

need 作情态动词用时, 常用于疑问句、否定句。在肯定句中一般用must, have to, ought to, should代替。

1.You needn’t come so early.

2. ---- Need I finish the work today?

---- Yes, you must. / No, you needn’t.

3) need作实义动词用时,有人称、时态和数的变化。

1.The house needs to be painted.

2. The house needs painting.

3. He needs to finish his homework today.

五、shall

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。

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.

3) would表示过去反复发生的动作或某种倾向。would表示过去习惯时比used to正式,且没有―现已无此习惯‖的含义。

1. During the vacation, he would visit me every other day.

2. The wound would not heal.

4) 表示估计和猜想。

It would be about ten o’clock when she left home.

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.

2) 表示劝告、建议和命令。should, ought to可通用,但在疑问句中常用should。

1. You should / ought to go to class right away.

2. Should I open the window?

3) 表示推测

should , ought to (客观推测), must(主观推测)。

1.He must be home by now. (断定他已到家)

2.He ought to/should be home by now.(不太肯定)

3. This is where the oil must be.(直爽)

4. This is where the oil ought to/should be.(含蓄)

总结

一、猜测: must, may, might, can, could

must只能用于肯定句,非常肯定的猜测

may只能用于肯定句,表示可能的猜测

can只能用于否定/疑问句,过去时用could

should 表示预测“应当”

二、情态动词否定式的常考点有:

mustn’t 禁止、严禁、不准

needn’t 不必要、没必要(=don’t have to)

can’t不可能

may not可能不、或许不

shouldn’t不应该(=ought not to )

三、情态动词+ have done

表示对过去发生的事情的推测,批评,反悔等意

should have done 本应该做而没做

ought to have done 本应该做而没做

could have done 本可以做而没做

needn’t have done不必做的做了

may/ might have done可能做了某事(猜测)

must have done一定做了(猜测)

can’t have done一定没有做(猜测)

练习题

1)A computer ___think for itself, it must be told what to do.

A. can’t

B. couldn’t

C. may not

D. might not

2).The fire spread through the hotel very quickly but everyone ____ get out.

A. had to

B. would

C. could

D. was able to

3)--Where is my uncle, Mary?

--He ___ in the bedroom.

A. must have been

B. must be

C. may have been

D. should have been

4)Peter ___ come with us tonight, but he isn’t very sure yet.

A. must

B. may

C. can

D. will

5) --That must be a mistake.

--No, it ___ a mistake.

A. must not be

B. needn’t be

C. can not be

D. would not be

6) It’s nearly 7 o’clock. Dad ___ come home soon.

A. can

B. could

C. would

D. should

7)--Are you coming to Jeff’s party?

--I’m not sure. I ___ go to the concert tonight.

A. must

B. would

C. should

D. might

8)You ___ return the book now. You can keep it till next week if you like.

A. can’t

B. mustn’t

C. needn’t

9)Johnny, you___ play with the knife, you ___ hurt yourself.

A. won’t; can’t

B. mustn’t; may

C. shouldn’t, must

D. can’t; shouldn’t

10).I didn’t hear the phone. I ___ asleep.

A. must be

B. must have been

C. should be

D. should have been

11).I didn’t see her in the meeting room this morning. She ___ at the meeting.

A. mustn’t have spoken

B. shouldn’t have spoken

C. needn’t have spoken

D. couldn’t have spoken

12).I can’t find Mr. Smith anywhere in the office building. Where ___ he have gone?

A. must

B. can

C. should

D. need

高考考题:

1. I thought you _____like something to read, so I have brought you some books.

A. may

B. might

C. would

D. must

2. Where is my pen? I ____it.

A. might lose

B. would have lost

C. should have lost

D. must have lost

3. I didn’t hear the phone. I ___asleep.

A. must be

B. must have been

C. should be

D. should have been

4. ---There were already five people in the car, but they managed to take me as well.

----It ____a comfortable journey

A. can’t be

B. shouldn’t be

C. mustn’t have been

D. couldn’t have been

5. It’s nearly seven o’clock . Jack ___be here at any moment.

A. must

B. need

C. should

D. could

6. They will ______ run this machine on their own in three months.

A. can

B. could

C. may

D. be able to

7. That big cinema ______ seat 2,000 people.

A. can

B. should

C. ought to

D. is able to

8. — Could I borrow your dictionary?

— Yes, of course you _______.

A. might

B. will

C. can

D. should

9. — Might I watch TV after supper?

— Yes, you ________.

A. may

B. must

C. might

D. can

10. --Will you stay for lunch?

--Sorry, _____. My brother is coming to see me.

A. I mustn’t

B. I can’t

C. I needn’t

D. I won’t

11. --May I pick a flower in the garden?

-- ________.

A. No, you needn’t

B. Not, please.

C. No, you mustn’t

D. No, you won’t

12. Put on more clothes. You ________ be feeling cold with only a shirt on.

A. can

B. could

C. must

D. would

13. "Must I drive to his house and pick up the children?"

"No, ________ ."

A. you shouldn't

B. you might not

C. you needn't

D. you mustn't

14. We didn't see Tom at the meeting yesterday. He ________it.

A. mustn't have attended

B. cannot have attended

C. needn't have attended

D. would have not attended

15. We ________ play chess than bridge. Some of us don't know how to play bridge.

A. had better

B. would better

C. would rather

D. had rather

16. There is someone knocking at the door. ________ it be Tom?

A. can

B. must

C. should

D. ought to

17. Two years ago, my husband bought me a bicycle. If you live in town, it is often faster than a car and you ________ worry about parking.

A. must not

B. may not

C. should not

D. don't have to

18.--Is John coming by train?

--He should, but he ____ not. He likes driving his car. (2002高考题)

A. must

B. can

C. need

D. may

19.It has been announced that candidates(候选人)____ remain in their seats until all the papers

have been collected. (2002上海高考题)

A. can

B.will

C. may

D. shall

20.--I heard they went skiing in the mountains last winter.

--It ____ true because there was little snow there. (2002北京高考题)

A. may not be

B. won’t be

C. couldn’t be

D. mustn’t be

情态动词强化练习(作业)

1.–May I sit beside you, sir?

--- No, you ______. My girlfriend is coming soon.

A. can’t

B. mustn’t

C. needn’t

D. shouldn’t

2.-- _____ I speak to Mary, please?

--Sorry, she____ come to the phone because she isn’t in.

A. Might; won’t

B. Can’t; mustn’t

C. May; can’t

D. Couldn’t; shouldn’t

3. --- I want to know if I _ smoke here.

--- No, you____ . Could you see the sign ―NO SMOKING‖ there?

A. can; needn’t

B. must; can’t

C. shall; won’t

D. may; mustn’t

4. My wife never remembers my telephone number. She always ____ look it up.

A. must

B. should

C. would

D. has to

5. --- ____ you pass me the English magazine, please?

--- Sure. Here you are.

A. Could

B. Need

C. Must

D. Might

6. ---Must I go to work with you?

--- No, you_____. Linda ______ go with me.

A. mustn’t; can

B. can’t; has to

C. daren’t; should

D. needn’t; may

7. --- __ I tell Mary the test results?

--- No, you____. She’s already got the score.

A. Will; won’t

B. Shall; needn’t

C. May; mustn’t

D. Can; don’t

8. You ____ be careful when crossing here. The traffic lights aren’t w orking.

A. might

B. ought to

C. could

D. may

9. ---Could I borrow your bicycle?

--- Yes, of course you_____.

A.will

B. should

C. can

D. need

10. Joan_____ come with us this afternoon, but she isn’t very sure yet.

A. can

B. may

C. must

D. will

11. I _____ ask you the question because I think I _____ be wrong.

daren’t; must B. mustn’t; can

C. needn’t; may

D. can’t; should

12. It’s nearly eight o’clock. Mike _____ be here at any moment.

A. need

B. has to

C. should

D. can

13. The fire spread through the building very quickly but everyone ____ get out.

A. had to

B. would

C. could

D. was able to

14.---What do you think of this answer?

---I don’t think it ____ be right.

A.should

B. might

C. must

D. can

15. --- Is John coming by train?

--- He should, but he ___. He likes driving his car.

A. can’t

B. needn’t

C. may not

D. mustn’t

16. He doesn’t have to w ork tomorrow, but you have got to, ____ you?

A. don’t

B. haven’t

C. haven’t got

D. can’t

17. You_____ wake me up when I fall asleep, ______ you?

A. haven’t better; have

B. would not rather; would

C. had better not; should

D. had not better; must

18. ---Why! I couldn’t get you on the phone this morning.

--- We _____ tennis in the yard when you phone me.

A. could be playing

B. must be playing

C. must have been playing

D. should have played

19. --- We didn’t see him at the lecture.

--- Neither did anybody else. He _____ it.

A. may not have attended

B. mustn’t attend

C. can’t have attended

D. couldn’t attend

20. ---I came here by taxi and the driver charged me 50 yuan.

---Really? You _____ have come by bus.

A. could

B. must

C. may

D. should

21. --- Do you still remember when we went to the Great Wall?

--- I can’t remember it well, but _____ it have been sometime last May?

A. should

B. must

C. could

D. would

22. ---I wonder why M r Lin didn’t come to work.

--- He____ have been ill.

A. needn’t

B. should

C. might

D. can

23. ---No one passed the mathematics examination today.

---I guess we ____ the exercise last night.

A. could review

B. should review

C. might review

D. should have reviewed

24. She_____ the hospital so soon, for she hasn’t yet recovered.

A. wouldn’t have left

B. shouldn’t have left

C. needn’t leave

D. hadn’t left

25. Why didn’t you tell me there was no meeting today? I ______ all the way here throug h the heavy snow.

A. needn’t have driven

B. can’t have driven

C. must have driven

D. shouldn’t have driven.

26. The book is neither yours nor mine. Whose ______ it be?

A. must

B. may

C. should

D. can

27. It is surprising that he ____ have been so foolish.

A. must

B. could

C. should

D. can

28. It must have rained last night, _____ it?

A. mustn’t

B. can’t

C. hasn’t

D. didn’t

29.---Will you stay for lunch?

--- Sorry, I _____. My brother is coming to see me.

A. mustn’t

B. can’t

C. needn’t

D. won’t

30. --- Are you coming to Jeff’s party?

--- I’m not sure. I ____ go to the concert instead.

A. must

B. would

C. should

D. might.

31. Michael ____ be a po liceman, for he’s much too short.

A. needn’t

B. can’t

C. should

D. may

32. Mr Bush is on time for everything. How ___ it be that he was late for the ceremony?

A. can

B. should

C. may

D. must

33. –I stayed at a hotel while in New York?

-- Oh did you? You ____ with Barbara.

A. could have stayed

B. could stay

C. must have stayed

D. would stay

34. If I ___go with you, I would feel very glad.

can B. could C. should D. may

35.There was a lot of fun at yesterday’s party. You___ come, but why didn’t you?

A. must have

B. should

C. need have

D. ought to have

36.—When can I come for the photos? I need them tomorrow afternoon.

--They ___ be ready by 12:00.

A. can

B. should

C. might

D. need

37. I didn’t hear the phone. I ____ asleep.

A. must be

B. must have been

C. should be

D. should have been

38. I ___ do all the difficult work for you.

A. haven’t got to

B. not have got to

C. have got not to

D. have got to not

39. Sorry I’m late. I ___ have t urned off the alarm clock and gone back to sleep again.

A. might

B. should

C. can

D. will

40. If I had time, I ____ go with you.

A. can

B. will

C. may

D. might

参考答案

练习题

1-5 ADBBC 6-10 DDCBB 11-12 DB

高考考题

1-5 BDBDC 6-10 DACAB 11-15 CCCBA 16-20 ADDDC

情态动词强化练习

1-5 ACDDA 6-10 DBBCB 11-15 ACDDC 16-20 BCCCD

21-25 CCDBA 26-30 DCDBD 31-35 BAABD 36-40 BBAAD

高中情态动词语法练习题79717

高中情态动词语法练习 题79717 -CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN

情态动词练习题 Ⅰ. 单项选择(45%) 1.I thought you _________like something to read, so I have brought you some books. A.may B.might C.could D.must 2.You__________ to the meeting this afternoon if you have something important to do. A. needn't to come B. don't need come C. don't need coming D. needn't come 3. He__________you more help, even though he was very busy. A. might have given B. might give C. may have given D. may give 4.---________I help you with some shoes, madam? --- Yes, I would like to try on those brown ones. A. Will B. Should C. May D. Must 5. The reason why they _______leave wasn't explained to us. A. had B. had to C. must D. might 6. I searched for my wallet and it wasn't there. I thought I______it at home. A. left B. have left C. might have left D. could have left 7. I _____asleep because it took me a long time to realize that the telephone was ringing. A. could have fallen B. should have fallen C. must have fallen D. mustn't have fallen 8. The only thing that really matters to the children is how soon they ______return to their school. A. can B. must C. have to D. ought to 9. I want to go to the chemist's, but you______go with me. . need not B. must not C. need D. must 10. I thought it over, but______come to no conclusion. A. can B. could C. should D. would 11. What we _____get seems better than what we have. A. can B. could C. can't D. couldn't 12.─My goodness! I've just missed the train. ─That's too bad. I am sure you ______it, if you had hurried. A. could have caught B. had caught C. would catch D. could catch 13. Look! What you've done! You _____more careful. A. may be B. had to C. should have been D. would be 14. ______I repeat the question? A. Shall B. Will C. Do you want that D. Do 15. Professor Li, many students want to see you.____ they wait here or outside! A. Do B. Will C. Shall D. Are 16. You read that book if you don't want to. A. haven't B. can't C. mustn't D. needn't 17. Johnny, you play with the knife; you____hurt yourself A. won't; can't B. can't; shouldn't C. shouldn't; must D. mustn't; may 18. It's nearly seven o'clock. Jack______be here at any moment. A. must B. need C. can D. should 19. ─ There were already 5 people in the car, but they managed to take me as well. ─ It ____a comfortable journey. A. can't be B. shouldn't be C. couldn't have been D. mustn't have been

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大学英语语法精解——情态动词 首先让我们分析以下近几年情态动词的考题: 1) This box is too heavy, _________give me a hand?(1998.1) A .would you mind B. would you please C. will you like to D. will you please to 2) Research findings show we spend about two hours dreaming every night , no matter what we ____ during the day.(1999.1) A. should have done B. would have done C. may have done D. must have done 3)It was very kind of you to do the washing-up,but you____ it.(1998.6) A. mustn't have done B. wouldn't have done C. mightn't have done D. didn't have to do 4) If you don't like to swim, you ___ stay at home.(1995.1) A. should as well B. may as well C. can as well D. would as well 5) You ____ him so closely;you should have kept your distance.(2000.6) A. shouldn't follow B. mustn't follow C. couldn't have been following D. shouldn't have been following 6) You ___her in her office last Friday; she's been out of town for two weeks.(1996.1) A. needn't have seen B. must have seen C. might have seen D. can't have seen 7) The room is in a terrible mess; it ____ cleaned.(1996.6) A. can't have been B. shouldn't have been C. mustn't have been D. wouldn't have been 参考答案 1) B 2) C 3) D 4) B 5) D 6) C 7) A 2.情态动词的测试要点 从以上例题可以看出,四级语法对情态动词的测试大体有以下几点。 1)情态动词的基本用法,如①④⑤。 2)情态动词+ 动词的完成形式的用法,如③⑥。 3)情态动词的推测性用法,如⑦。

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情态动词专项练习 1. Jean have kept his promise. I wonder why he changed his idea. A. must B. should C. need D. would 解析:选B. “should have +过去分词” 表示“过去本来应该(但没能)做某事”; keep one’s promise 意为“信守诺言”。 2. Jane have come to the party, but she not find the exact time. A. could; could B. might; could C. should; could D. should; would 解析:选A.“ could have+过去分词表示过去本来应该(但没能)做某事”。 3. So many mistakes in your homework! You more careful. A. may be B. had to C. would be D. should have been 解析:选D. “You should have been more careful”. 意为:你本来应该更细心的。 4.Her brother be at home now, because he was seen playing basketball in the stadium just now. A. mustn’t B. needn’t C. can’t D. shouldn't 解析:选C. can’t be at home 意为:不可能在家。 5.---I can’t understand wh y our boss is late. ---He the early bus. A. could miss B. may have missed C. can have missed D. might miss 解析:选B. “may have+过去分词”表示对过去动作的判断,意为:可能做了某事。注意:can表示可能时,只能用于疑问句和反问句。 6. She didn't answer the phone, she ______ asleep. A. may be B. must be C. should have been D. must have been 解析:选D. 表示:对过去发生的事情的肯定推测。 7.The little girl’s eyes were red. She ______. A. may cry B. must cry C. must be cried D. must have been crying 解析:选D. 意为:她刚才肯定一直在哭。对过去某事正发生的推测。 8.He______ his supper now, for the dining hall is still closed. A. can’t be having B. needn’t be having C. mustn’t be having D. shouldn't be having 解析:选A. 对现在正在发生的事情的否定推测。 9.I parked my bike behind the building, but now it is gone. It ________ . A. may be stolen B. must be stolen C. must have been stolen D. must have stolen 解析:选C. 对过去发生的事情的肯定推测的被动式。 10. ______ Mr. Black_______go to work by ferry before the bridge was built? A. Did; used to B. Use; to C. Did; use to D. Does; use to 解析:选C. used to do的疑问式,可以是Used+主语+to do ?或Did +主语+use to do? 11. The hotel is only a stone’s throw away, you ______ take a bus. A. need not to B. not need to C. don't need D. need not 解析:选D. 说话人认为不必要乘车, need 为情态动词。 12. I am busy now, _______ my brother do it for you ? A. Will B. Shall C. Must D. May 解析:选B. 在疑问句中shall 用于第三人称,也表示征求意见。 13. ---You needn’t do it right now, need you? ---Yes I am afraid I ______ . A. need B. needn’t C. must D. mustn’t 解析:选C. Yes的意思是:不。意为:恐怕我必须现在就做。 14.My English-Chinese dictionary has disappeared . Who _____ have taken it? A. should B. must C. could D. would 解析:选C. could/can have done 用于否定推测和疑问推测。 15. ---The room is so dirty._______ we clean it? ----Of course.

初中英语语法情态动词用法大全

情态动词 有can (could), may (might), must, have to, shall (should, will (would), dare (dared), need (needed), ought to等。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。 情态动词 句和疑问句中表示请求,允许,意为“能够” could 是can 的过去式,意为“能、会”,表示过去的水平在疑问句中表示委婉请求 may 表示请求、许可,意为“能够”表示推测,常用于肯定句中,意为“可能、也许” might 是may的过去式,表推测,常用于肯定句中,意为“可能、也许”must 表示主观看法,意为“必须、应该”表有把握的推测,用语肯定句dare 表示敢于,主要用于否定句和疑问句中 should 意为“应该”,表示要求和命令表示劝告、建议 had better 意为“最好”,表示建议 used to意为“过去常常,表示过去的动作、行为 考点一情态动词知识清单 情态动词有具体的词义,但也同助动词一样,需要与其他词语一起构成句子的谓语,另外情态动词没哟人称和数的变化,情态动词后必须跟动词原形。 1. can 的用法 (1)表示水平、许可、可能性。表示水平时一般译为“能、会”,即有种水平,尤其是生来具备的水平,此时may 和must 均不可代替它。(2)表示可能、能够。如:I can finish it in an hour. (3)表示许可,常在口语中。如:You can use my dictionary. (4)表示推测,意为“可能”,常用于否定句和疑问句中,此时can’t 译为“不可能”。 2.could的用法 (1)can的过去式,意为“能、会”,表示过去的水平。 (2)could 在疑问句中,表示委婉的语气,此时没有过去式的意思。 3.may的用法 (1)表示请求、许可,比can 正式, (2)表示推测,谈论可能性,意为“可能,或许”,一般用于肯定句中。 (3)may的过去式为might ,表示推测时。可能性低于may 。 4. must的用法 (1)must 表示主观看法,意为“必须、一定”。 (2)其否定形式mustn’t表示“一定不要”“千万别”“禁止, 不许”.(3)对must引导的疑问句,肯定回答为must,否定回答为needn’t或don’t have to . (4)must 表示有把握的推测,用于肯定句。当must 表示肯定的判断、推测时,其反意疑问句要用实际问句的助动词来构成。 She must have finished writing, hasn’t she? 5. need的用法 (1)need 表示需要、必须,主要用于否定句和疑问句中,其否定形式为needn’t,意为“没有必要,不必”。用need 提问时,肯定回答为must,否定回答为needn’t。如:----Need I stay here any longer? ----Yes, you must .-----No. you needn’t . (2) need 还能够作实义动词,此时有人称、数和时态的变化,后边多接动词不定式。 6. dare 的用法dare意为“敢、敢于”,用法近似于need,有两种词性: (1)dare 作为情态动词,多用于否定句、疑问句或条件句中,无第三人称单数形式,只有一般现在时和一般过去时。 (2)dare 作为实义动词,此时有人称、数即时态的变化。注意:在口语中,dare 的各种形式常与不带to 的不定式连用。Do you dare tell her what I said? 7. shall 的用法 (1)shall 表示征求对方意见(多用于第一、三人称), Shall we go out for a walk? (2)表示决心、警告、命令(多用于第二、三人称), No one shall bring your beepers or mobile phones in the exam. 8. should的用法 (1) should 意为“应该”,可表示劝告、建议、义务、责任等。We should protect the environment. (2) should (would)like to do sth. 表示“想要、愿意做某事”,常用于口语中。Would you like to go with me? 你想和我一起去吗? (3)Should have done 表示对过去动作的责备、批评。 You should have finished your homework. 9. will 的用法 will表示意愿、意志、打算,可用于多种人称。 I will help you if I’m free this afternoon. 10. had better 的用法 had better 意为“最好”,没有人称的变化,后面接不带to 的不定式,其否定形式为:had better not。 We had better go now. You had better not give the book to him. 考点二含有情态动词的疑问句 1. 由can、may、must构成的疑问句 (1)句式:Can/ May/ Must…+ 主语+动词原形+….?如:Can you repair the car? Could he be a good student? May I borrow your ruler?Must we clean the room now? (2)对may 引出的问句,能够有下列回答方式:Yes, of course. Yes, certainly.Sure.No, you mustn’t.No, you can’t. (3)对must引出的疑问句,回答为:Yes, …must.No,…needn’t/don’t have to. 2. will,would,shall 的用法 (1)will 在一般疑问句中表示客气的“请求、劝说”。would 是will 的过去式,语气更加客气、委婉。Would you show me your picture book? Will you please give me a call? (2)对will/ would you…的回答方式有以下几种:Yes, I will. (No, I won’t.)Sure . (I’m sorry , I can’t.)All right.Certainly. (No, thank you .) Yes, please. (3)shall引出的疑问句用于第一人称,表示征求对方意见或客气的请求。其回答方式有以下几种:Yes, please.All right. No, thank you. 考点三不同情态动词的否定意义也不同 1. (1)can’t可译为“不会”,如:I can’t play basketball. 我不会打篮球。(2)当句子表推测时,用can’t表达不可能,He can’t be ill. He is playing chess with Tom.(3)can’t还可用来回答“ May I …?”这样的问句。May I come in ?No, you mustn’t. / can’t.(4)can’t还可用于固定习语中。She can’t help crying. 2.may 的否定式为may not ,译成“可能不”,He may not be at home. 3.(1)mustn’t表示不许,不可。He mustn’t leave his room.

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