1. 情 态 动 词情 态 动 词

2. Can 1. 能力 2. 可能 3. 许可 4. 请求 May 1. 允许或请求允许 2. 可能性 Must 1. 必须 / 应当 2. 表示推测，语气比 may 肯定，只用 在肯定句中

3. 1. 二．三：允诺. 警告. 命令或法令等 2. 一：征求听话人的意见 shall Should 1. 应当 2. 委婉地陈述自己的意见 3.should have done 4. 表示可能性，尤指合乎理想的事情 和结果。

4. ought to 应当 =should( 强调法律和职责 等方面的客观义务时，宜用 ought to) Will 1. 用于各种人称表示决心和意愿 2. 用于第二人称疑问句，表示请求， 建议和征求听话人的意见.

5. Would 1. 用于各种人称，表示过去的 “ 意志 ” “ 意愿 ”“ 决心 ” 等。 2. 表示现在的请求或个人想法， 比用 Will 语气更加委婉。 3. 表示过去习惯性的动作 dare: 敢 1. （否定句，疑问句，条件 状 语从句） 2. 实义动词 need: 需要. 1. 情态动词否定句，疑 问句， 2. 实义动词

6. 1.---Could/might I use your bike tomorrow morning? ---Yes, you can/may ---No, I’m afraid not 2.cannot~ ~too/enough 无论怎么 …… 也不（过分） 越 …… 越好 3.cannot but do sth. 不得不；只好 I cannot but admire your bravery. I could not but choose to go.

7. 1.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

8. 2. Jack______ yet, otherwise he would have telephoned me. A.mustn’t have arrived B.shouldn’t have arrived C.can’t have arrived D.need not have arrived

9. 3.----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 will probably 表示可能性, 尤指合乎理想的事情或结 果 1.The photos should be ready tomorrow morning. 2. It should be fairly easy to get her to agree. 3.There shouldn’t be any difficulty about getting you a visa.

10. 4. ----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. 5.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

12. 6 ． ----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

13. 7.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

14. 8. 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

15. 9.---Is John coming by train? --- He should, but he____ not. He likes driving his car. A. must B. can C. need D. may

16. 10.Naturally, after I told her what to do, my daughter ____ go and do the opposite! A.may B. can C. must D. should

17. 11. I often see lights in that empty house. Do you think I ____ report it to the police? A.should B. may C. will D. can

18. 12.---I don’t mind telling you what I know. ---You______. I’m not asking you for it. A.mustn’t B. may not C. can’t D. needn’t

19. 13.---I’ll tell Mary about her new job tomorrow. ----You_____ her last week. A.ought to tell B. would have told C. must tell D. should have told

20. 14. “The interest ______ be divided into five parts, according to the agreement made by both sides, ” declared the judge. A. may B. should C. must D. shall Shall 可以用在条约、协议、法令等文件中， 表示义务或规定，一般用于第三人称，意为 “ 应， 必须 ” 。

21. 15.----Isn’t that Ann’s husband over there? ----No, it_____ be him----I’m sure he doesn’t wear glasses. A.can’t B. must not C. won’t D. may not

22. 16.Tom, you _______ leave all your clothes on the floor like this! A. wouldn’t B. mustn’t C. needn’t D. may not

23. 17.John, look at the time._______ you play the piano at such a late hour? A. Must B. Can C. May D. Need

24. 18.There______ be any difficulty about passing the road test since you have practised a lot in the driving school. A. mustn’t B. shan’t C. shouldn’t D. needn’t

25. 19.----Lucy doesn’t mind lending you her dictionary. ----She_________. I’ve already borrowed one. A.can’t B.mustn’t C.needn’t D.shouldn’t

26. 20.The World Wide Web is sometimes jokingly called the World Wide Wait because it______ be very slow. A.should B. must C. will D. can

27. 21.He paid for a seat, when he_______ have entered free. A. could B. would C. must D. need could have done: 过去可以做而实际 上未能做某事

28. 22.---Catherine, I have cleaned the room for you. ---Thanks. You______ it, I could manage it myself. A. needn’t do B. neen’t have done C. mustn’t do D. shouldn’t have done

29. 23. He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside. A. should B. must C. wouldn’t D. can’t

30. 24.I_____have been more than six years old when the accident happened. A. shouldn’t B. couldn’t C. mustn’t D. need’t

31. Goodbye!