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1、情态动词高三复习（学案）1 情态动词一、表能力的情态动词can / could/ be able to 123二、表许可的情态动词can, could, may, might e.g. -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 三、表可能的情态动词can, could, may, might 1.e.g1. e.g2. -I ve taken someone else s green sweate
2、r by mistake. -It _ Harry s. He always wears green. A. has to be B. will be C. mustn t be D. could be e.g3. Helen _ go on the trip with us, but she isn t quite sure yet. A. shall B. must C. may D. can 2e.g.1. e.g2. The World Wide Web is sometimes jokingly called the World Wide Wait because it _ be v
3、ery slow. A. should B. must C. will D. can 3. 4. e.g. He can t be in the classroom. He may not be in the classroom. 四、表请求的情态动词will, would, can, could, 其中 would, could 更委婉，更客气五、表意志的情态动词shall, will 1. e.g. “ The interest _ be divided into five parts, according to the agreement made by both sides,” dec
4、lared the judge. A. may B. should C. must D. shall e.g. 情态动词高三复习（学案）2 2. e.g. -Write to me when you get home. -_. A. I must B. I should C. I will D. I can 六、表必须的情态动词must 和 have to 1.2.e.g. John, look at the time. _ you play the piano at such a late hour? A. Must B. Can C. May D. Need 3. e.g. -Who is
5、 the girl standing over there? -Well, if you _ know, her name is Mabel. A. may B. can C. must D. shall 4. e.g. Tom, you mustn t leave all your clothes on the floor like this! 5. e.g. -May I take the magazine out? -No, you mustn t. 七、情态动词 + have done 1. must have done e.g. 2. should / ought to + have
6、 done e.g. -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 e.g. 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 3. can / co
7、uld + have done e.g. My English-Chinese dictionary has disappeared. Who _have taken it? A. should B. must C. could D. would e.g. -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 h
8、ave been * could +have done 还可表示过去本来可能做而实际上没能做某事的责备、遗憾等e.g. -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 4. may / might + have done 可能已经做过e.g. 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 * 本应 /可以。 。而没。 。e.g. He _ you more help, even though he was very busy. A. might have given B. might give C. may have given D. may give 5. needn t + have done e.g. 情态动词高三复习（学案）3