【正文】 . I mustn’t B. I can’t C. I needn’t D. I won’t( ) 27. — Are you ing to Jeff’s party? — I’m not sure. I _____ go to the concert instead. A. must B. would C. should D. might( ) 28. — Write to me when you get home. — _____. A. I must B. I should C. I will D. I can( ) 29. 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( ) 30. — Is John ing by train? — He should, but he _____ not. He likes driving his car.A. must B. can C. need D. may 專(zhuān)項(xiàng)練習(xí)（二）1. I didn’t see her in the meeting room this morning. She _____ at the meeting.A. mustn’t have spoken B. shouldn’t have spokenC. needn’t have spoken D. couldn’t have spoken2. One ought _____ for what one hasn’t done.A. not to be punished B. to not be punishedC. to not punished D. not be punished3. If you really want yourself to be in good health, you must ___ always ___ so much.A. not。 may C. shouldn’t。 had not taken( ) 15. Peter _____ e with us tonight, but he isn’t very sure yet. A. must B. may C. can D. will( ) 16. 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( ) 17. I didn’t see your sister at the meeting. If she _____, she would have met my brother. A. has e B. did e C. came D. had e( ) 18. — Shall I tell John about it? — No, you _____. I’ve told him already. A. needn’t B. wouldn’t C. mustn’t D. shouldn’t( ) 19. When a pencil is partly in a glass of water, it looks as if it _____. A. breaks B. has broken C. were broken D. had been broken( ) 20. It’s nearly seven o’clock. Jack _____ be here at any moment. A. must B. need C. should D. can( ) 21.— There were already five people in the car but they managed to take me as well. — It _____ a fortable journey. A. can’t be B. shouldn’t be C. mustn’t have been D. couldn’t have been( ) 22. Johnny, you _____ play with the knife, you _____ hurt yourself. A. won’t。 would not have taken C. would be warned。 could climb( ) 8. Without electricity human life _____ quite difficult today. A. is B. will be C. would have been D. would be( ) 9. A puter _____ think for itself, it must be told what to do. A. can’t B. couldn’t C. may not D. might not( ) 10. Jenny _____ have kept her word. I wonder why she changed her mind. A. must B. should C. need D. would( )11. We _____ last night, but we went to the concert instead.A. must have studied B. might study C. should have studied D. would study( ) 12. — Could I borrow your dictionary? — Yes, of course you _____. A. might B. will C. can D. should( ) 13. Tom ought not to _____ me your secret, but he meant no harm. A. have told B. tell C. be telling D. having told( ) 14. — If he _____, he _____ that food. — Luckily he was sent to the hospital immediately. A. was warned。 could climb C. had not been。 would have prevented( ) 6. He _____ you more help, even though he was very busy. A. might have given B. might have C. may have given D. may give( ) 7. If it _____ for the snow, we _____ the mountain yesterday. A. were not。 would prevent C. were。IV 情態(tài)動(dòng)詞專(zhuān)項(xiàng)練習(xí)與解析一( ) 1. 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( ) 2. Where is my pen? I _____ it. A. might lose B. would have lost C. should have lost D. must have lost( ) 3. I wish I _____ you yesterday. A. seen B. did see C. had seen D. were to see( ) 4. I didn’t hear the phone. I _____ asleep. A. must be B. must have been C. should be D. should have been( ) 5. If my lawyer _____ here last Saturday, he _____ me from going. A. had been。You oughtn’t to / shouldn’t have taken her bike without permission.5. 注意：must只能用于肯定句（它的否定句和疑問(wèn)句其實(shí)就用can來(lái)代替了）1. must + have + . 表示對(duì)過(guò)去肯定的推測(cè)，“一定是，準(zhǔn)是”The road is wet. It must have rained yesterday.2. can + have + . 表示對(duì)過(guò)去的推測(cè)（限于問(wèn)句中）Can she have said so? 他可能這樣說(shuō)嗎？3. can’t + have + . 表示對(duì)過(guò)去的否定推測(cè)He cannot have said such a foolish thing.III 情態(tài)動(dòng)詞表推測(cè)的反意疑問(wèn)句1. 情態(tài)動(dòng)詞表推測(cè)的反意疑問(wèn)句，簡(jiǎn)單來(lái)說(shuō)，就是以情態(tài)動(dòng)詞后的時(shí)態(tài)為淮，如句子里有明確的時(shí)間狀語(yǔ)，則以其為準(zhǔn)。She could not have covered the whole distance, but in fact she arrived ahead of time.3) needn’t + have + .表示本不必做的，但已經(jīng)做到了。4. 表示反勸的特殊的表推測(cè)形式1). co