最新must的用法及练习

1、精品文档情态动词 must 的用法1. must 表示必要性，“必须”（肯定句，疑问句常见） 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. （不许我们再迟到了 ）3. 由must引导一般疑问句时，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. 当出现反问句式时,如果其陈述部分 must 表示“必须,有必要” 时，反问句用neednt，如果其陈述部分mustn'表示“禁止”，反 问句用 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 表示推测时, 有 3 种形式时, 反问句与 must 后的动词保持 一致。 对现在的动作进行推测 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?对正在进行的动作进行推测He must be doing his homework, isrithe? 对过去发生的动作进行推测 You must have read this book, havettyou? It must have sno wed yesterday, didrtyou?6. must用于反语，表示劝诫。Must you make so much noise?你非得吵这么大声吗？）Sorry

4、, I 'I try not to.（2005全国皿卷）John, Iook at the time, A you play the piano at such a later hour? A. must B. can C. may D. need7. 与说话人的愿望相反，“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. “不应该，一定不要” .always 力口重不赞成的语气。 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 用法专练一、单选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精品文档精品文档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 正确形式填空1. You must go there right now, ?精品文档精品文档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