Grammar

Modal Verbs possibility: can / could, may / might certainty: must, will, should ability: can / could, be able to permission: can / could, may / might requests: can / could, will / would

suggestions: could / may /might, shall necessity: must, have to, have got to, need advice: ought to, had better

否定 1.— 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 2.You'd better ____ late next time . A . don't B . not be C . not being D . won't be 3He said he would rather not ____ it right now . A . doing B . to do C . do D . to be doing

4.— Must I give my sister-in-law a telephone call right now ? — No , you . A. mustn't B. needn't C. can't D. may not 5.You return the book now . You can keep it till next week if you like. A. can't B. mustn't C. needn't D. may not 6.— Shall I tell John about it ? — No , you , I've told him already. A. need't B. would't C. mustn't D. shouldn't

7. 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

特征 1. “Can I leave this door open at night ?” “You better not .” A. should B. would C. could D. had 2.— Shall we go skating or stay at home ? — Which do yourself ? A. do you rather to B. would you rather C. will you rather D. should you rather

3. It's freezing outside . You ____ put on your overcoat . A . had better to B . had better C . would better D . would better to 4. Peter come with us tonight , but he isn't very sure yet . A. must B. may C. can D. will . 5. 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

1.— Could I keep this new English - Chinese dictionary for a week ? — Yes , of course you _______. A. could B. will C. can D. should 2. The fire spread through the hotel very quickly but everyone get out. A. had to B. would C. could D. was able to

推测 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. Put on more clothes . You ___ be feeling cold with only a shirt on . A . should B . would C . could D . must 3. Mary ____ be in Paris , I saw her in town only a few minutes ago . A . mustn't B . shouldn't C . can't D . may not

情态动词+ have done

must/may/might have done can/could not have done can/could have done should/ought to have done need have done

hasn’t didn’t II. 当表猜测的情态动词出现在反意疑问句的陈述部分时,反意疑问句的疑问部分的动词从情态动词后面的不定式. e.g., He must be ill, _____he ? They can’t know the news, ____they? She must have been to Beijing before, hasn’t she? (相当于现在完成时) She must have been in that day, _____ she?(相当于过去时) He looks sad. He must have failed the test, ____ he ? He must have failed the exam in maths yesterday, ____he? isn’t do wasn’t hasn’t didn’t

B Jenny ____ have kept her word . I wonder why she changed her mind . A . must B . should C . need D . would 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 D

B B We ____ for her because she never came . A . needn't wait B . shouldn't have waited C . mustn't wait D . mustn't have waited 1. I didn't hear the phone . I ______asleep . must be B. must have been C. should be D. should have been B 2. — 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 D

C C 3. I told Sally how to get here , but perhaps I _____ for her . had to write it out B. must have written it out C. should have written it out D. ought to write it out C C 4. We last night , but we went to the concert instead . A. must have studied B. might study C. should have studied D. would study

D 5. He you more help , even though he was very busy . A. might have given B. might be C. may have given D. may give 6. Where is my pen ? I it A. might B. would have lost C. should have lost D. must have lost A D D 7. There was plenty of time . She . mustn't have hurried B. couldn't have hurried C. must not hurry D. needn't have hurried

A D 8. Tom ought not to me your secret , but he meant no harm . A. have told B. tell C. be telling D. having told 9. The plant is dead , I it more water . A. will give B. would have given C. must give D. should have given D

A C 10. —I stayed at a hotel while in New York. --Oh, did you? You ___ with Barbara. A.could have stayed B.could stay C.would stay D.must have stayed A C 11. Jack ___ yet, otherwise he would have telephoned me. A. mustn’t have arrived B. shouldn’t have arrived C. can’t have arrived D. needn’t have arrived

12. Sorry, I’m late. I ____ have turned off the alarm clock and gone back to sleep again. A.might B.should C.can D.will A 13. —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 B 14. You can’t imagine that a well-behaved gentlemen ___ be so rude to a lady. A.might B.need C.should D.would C

Exercises 1. A left-luggage office is a place where bags ____be left for a short time, especially at a railway station. A. should B. can C. must D. will B

2. How ___ you say that you really understand the whole story if you have covered only part of the article? A. can B. must C. need D. may A

3. — The room is so dirty. ___we clean it? — Of course. A. Will B. Shall C. Would D. Do 4. My English-Chinese dictionary has disappeared. Who ___ have taken it? A. should B. must C. could D. would B C

5. — Is John coming by train? — He should, but he ____ not. He likes driving his car. A. must B. can C. need D. may D

6. — I heard they went skiing 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. mustn’t be C

7. It has been announced that candidates __ remain in their seats until all the paper have been collected. A. can B. will C. may D. shall 8. — I hear you’ve got a set of valuable Australian coins. ___ I have a look? —Yes, certainly. A. Do B. May C. Shall D. Should D B

9. Oh, I’m not feeling well in the stomach, I ___ so much fried chicken just now. A. shouldn’t eat B. mustn’t have eaten C. shouldn’t have eaten D. mustn’t eat C

10. I was really anxious about you. You ___ home without a word. A. mustn’t leave B. shouldn’t have left C. couldn’t have left D. needn’t leave B

11. You can’t imagine that a well-behaved gentlemen ___ be so rude to a lady. A. might B. need C. should D. would 12. — Write to me when you get home. — ____. A. I must B. I should C. I will D. I can C C

13. Mr. Bush is on time for everything 13. Mr. Bush is on time for everything. How ___it be that he was late for the opening ceremony? A. can B. should C. may D. must A

14. — 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 D

15. My sister met him at the Grand Theatre yesterday afternoon, so he ___ your lecture. A. couldn’t have attended B. needn’t have attended C. mustn’t have attended D. shouldn’t have attended A

16. Sorry, I’m late. I ___ have turned off the alarm clock and gone back to sleep again. A. might B. should C. can D. will A

17. There was a lot of fun at yesterday’s party 17. 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 D

18. — 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 B

19. — I stayed at a hotel while in New York. — Oh, did you? You __with Barbara. A. could have stayed B. could stay C. would stay D. must have stayed A

20. The fire spread through the hotel very quickly but everyone ___ get out. A. had to B. would C. was able to D. could C

21. Jack ___ yet, otherwise he would have telephoned me. A. mustn’t have arrived B. shouldn’t have arrived C. can’t have arrived D. needn’t have arrived C

22.When he was there, he ___ go to that coffee shop at the corner after work everyday. A. would B. should C. had better D. might A

23. Sir, you ___ be sitting in this waiting room 23. Sir, you ___ be sitting in this waiting room. It is for woman and children only. A. oughtn’t to B. can’t C. won’t D. needn’t A

24. It’s nearly seven o’clock. Jack ___ be here at any moment. A. must B. need C. should D. can 25. I wonder how he ___ that to the teacher. A. dare to say B. dare saying C. not dare say D. dared say C D

26. I told Sally how to get here, but perhaps I ____ for her. A. had to write it out B. must have written it out C. should have written it out D. ought to write it out C

27. Michael ___ be a policeman, for he is much too short. A. needn’t B. can’t C. should D. may B

Homework Review and practice Modal verbs.