最新must的用法及練習(xí)

1、精品文檔情態(tài)動(dòng)詞 must 的用法1. must 表示必要性，“必須”（肯定句，疑問句常見） You must go to bed now. Must I start at once?2. 否定式 mustn't 表示“禁止” You mustn't smoke here. We mustn't be late again. （不許我們?cè)龠t到了 ）3. 由must引導(dǎo)一般疑問句時(shí)，肯定回答用must,否定回答用needn' 或 don't have to. Must I stay at home? Yes, you must. / No, you nee

2、dn't4. 當(dāng)出現(xiàn)反問句式時(shí),如果其陳述部分 must 表示“必須,有必要” 時(shí)，反問句用neednt，如果其陳述部分mustn'表示“禁止”，反 問句用 must. You must go there, needn'tyou? Yes, I must. / No, I needn't/don'thave to. You mustn'tgo there, must you?5. must 表示推測時(shí), 有 3 種形式時(shí), 反問句與 must 后的動(dòng)詞保持 一致。 對(duì)現(xiàn)在的動(dòng)作進(jìn)行推測 You must be hungry now, aren&#

3、39;t you? You must have the wrong number. There is no such person, haven't/don 'you?對(duì)正在進(jìn)行的動(dòng)作進(jìn)行推測He must be doing his homework, isrithe? 對(duì)過去發(fā)生的動(dòng)作進(jìn)行推測 You must have read this book, havettyou? It must have sno wed yesterday, didrtyou?6. must用于反語，表示勸誡。Must you make so much noise?你非得吵這么大聲嗎？）Sorry

4、, I 'I try not to.（2005全國皿卷）John, Iook at the time, A you play the piano at such a later hour? A. must B. can C. may D. need7. 與說話人的愿望相反，“偏偏，偏巧”。 I don't want to be late, but my car must break down on half way. （2004天津） Who is sta nding over there?-well, if you _Cknow, the girl is Marry.A. m

5、ay B. can C. must D. shall Why must it rain on Sun day?8. must not （always） be doing. “不應(yīng)該，一定不要” .always 力口重不贊成的語氣。 You mustn'always be talki ng so much. When you lear n a foreig n Ian guage, you must n'always be tran slat ing everything into your own.Must 用法專練一、單選1.John, look at the time. y

6、ou play the piano at such a late hour? (2005)A. Must B. Can C. MayD. Need2. He have completed his work; otherwise, he wouldn't be enjoying himself bythe seaside.A. shouldB. mustC. wouldn 'tD. can't3.I was on the highway when this car went past followed by a police car. They at least 150

7、kilometers an hour.A. should have been doing B. must have been doingC. could have doneD. would have done4. Tom is never late for work. Why is he absent today?Something to him.A. must happenB. should have happenedC. could have happened D. must have happened5. This cake is very sweet. You a lot of sug

8、ar in it.A. shouldB. could have put C. might put D. must have put6. According to the local regulations, anyone who intends to get a driver 's license take an eye test.A. canB. mustC. wouldD. may7. Must he come to sign this paper himself? Yes, he .A. needB. must C. may D. will8. May I smoke here?

9、 If you , choose a seat in the smoking section.A. should B. could C. may D. must9. In crowded places like airports and railway stations, you take care of your精品文檔精品文檔luggage.A. canB. mayC. must D. will10. She looks very happy. She have passed the exam. I guess so. It's not difficult after all.A.

10、 shouldB. could C. must D. might11. Guess what! I have got A for my term paper.Great! You read widely and put a lot of work into it.A. mustB. should C. must have D. should have12. When I was young, I was told that I play with matches.A. wouldn 'tB. needn'tC. mustn'tD. daren't13. We k

11、eep a cool head on overheating development, for it havenegative influence upon national economy.A. should; mustB. must; wouldC. might; couldD. must; may14. I book a table for dinner a few days ahead of time?Yes, you . The restaurant is always full, especially during the holidays.A. Must; willB. Must

12、; canC. Shall; shall D. Shall; must15. It 's hard to believe that Jack have fought with the policeman.-Yes. If one ask for trouble, it can't be helped.A. would; will B. must; may C. should; must D. need; dare16. I don't want to be late, but my car break down on half way.A. must B. can C. may D. will17. Jonney, you play with the knife. It is dangerous.A. won'tB. mustn'tC. should D. shall二、用 must 正確形式填空1. You must go there right now, ?精品文檔精品文檔2.3. You must finish the work on time, ?4. We mustn't be late, ?5. Parents mustn't show too much concern for their chil