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发表于 2016-7-6 13:23:43
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三、常见的情态动词
1. shall用于一、三人称疑问句表示征求对方意见;用于二、三人称陈述句表示说话人给对方的命令、警告、允诺或威胁等。
①“The interest be divided into five parts, according to the agreement made by both sides,” declared the judge. (2004年重庆卷)
A. may B. should C. must D. shall
②—Excuse me, but I want to use your computer to type a report.
— You ______ have my computer if you don't take care of it. (2004年湖南卷)
A. shan't B. might not C. needn't D. shouldn't
③ — The room is so dirty. ______ we clean it?
— Of course. (2003年北京春季卷)
A. Will B. Shall C. Would D. Do
2. must用于疑问句,表示责备、抱怨的感情色彩,意思为“偏偏,偏要”;mustn't表示禁止,是说话人强有力的劝告。
①John, look at the time. _______ you play the piano at such a late hour? (2005年全国卷Ⅲ)
A. Must B. Can C. May D. Need
②Tom, you leave all your clothes on the floor like this!(2005年全国Ⅰ)
A. wouldn't B. mustn't C. needn't D. may not
3. needn't表示“没有必要”。
— Lucy doesn't mind lending you her dictionary.
— She ______. I've already borrowed one. (2005年湖南卷)
A. can't B. mustn't C. needn't D. shouldn't
4. would表示过去反复发生的动作或某种倾向。
When he was there, he ___ go to that coffee shop at the corner after work every day.(1996年上海卷)
A. would B. should C. had better D. might
5. 表示经过努力而成功的某一次动作,只能用was/were able to,而不能用could。
The fire spread through the hotel very quickly but everyone _____ get out. (1997年全国卷)
A. had to B. would C. was able to D. could
6. 考查情态动词用作答语的情况
①—Write to me when you get home.
— _______. (2001年北京春季卷)
A. I must B. I should C. I will D. I can
② — Could I call you by your first name?
—Yes, you ______. (1998年上海卷)
A. will B. could C. may D. might
巩固练习:
1. Michael ______ be a policeman, for he is much too short.
A. needn't B. can't C. should D. may
2. 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
3. Jack _____ yet, otherwise he would have telephoned me.
A. mustn't have arrived B. shouldn't have arrived
C. can't have arrived D. needn't have arrived
4. Sir, you ______be sitting in this waiting room. It is for women and children only.
A. mustn't B. can't C. won't D. needn't
5. A left-luggage office is a place where bags _______ be left for a short time, especially at a railway station.
A. should B. can C. must D. will
6. — Is John coming by train?
— He should, but he _____ not. He likes driving his car.
A. must B. can C. need D. may
7. It has been announced that candidates _______ remain in their seats until all the papers have been collected.
A. can B. will C. may D. shall
8. You can't imagine that a well-behaved gentleman ______ be so rude to a lady.
A. might B. need C. should D. would
9. —Don't forget to come to my birthday party tomorrow. —_______.
A. I don't B. I won't C. I can't D. I haven't
10. I didn't see her in the meeting-room this morning. She____ at the meeting.
A. mustn't have spoken B. shouldn't have spoken
C. needn't have spoken D. couldn't have spoken
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