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情态动词+have done

情态动词 + have + done 用法
1、 “must+have+done”表示对过去事情的肯定推测,译成“_____________”,该 结构只用于________。 1). It must have rained last night, for the ground is wet. 翻译: 2). He is playing on the playgroun

d, he must have finished his homework. 翻译: 2、 “can't/couldn’t+ have+ done”表示对过去事情的否定推测,译成 “___________________”。 1). Mr. Smith can't have gone to Beijing, for I saw him in the library just now. 翻译: 2). Mary can't have stolen your money. She has gone home. 翻译: 3、“could+have+done” 有两种用法,一种表示猜测,“_____________________” ,用于疑问句;另一种 是虚拟语气,表示对过去事情的假设,意思是________________________。 1)What could have happened? 翻译: 2)He could have passed the exam, but he was too careless. 翻译: 4、“can+have+done”(较少使用)表示对过去行为的怀疑,用于疑问句,译成 “_____________”。 1). There is no light in the room. Can they have gone out? 翻译: 2). There is nowhere to find them. Where can they have gone? 翻译: 5、 “may+have+done”表示对发生过的事情的推测,意思是“_______________”, 用于肯定句中。 —What has happened to George? —I don't know. He may have got lost. 翻译: 6、 “might+have+done”表示对过去事情的推测,might 与 may 意思相同,但可能 性更小。多用于虚拟语气结构中。

1). He might have given you more help, even though he was busy. 翻译: 2). She might have achieved greater progress, if you had given her more chances. 翻译: 7、 “would+have+done”虚拟语气, 表示对过去事情的假设, 意思是“__________”。 1). I would have told you all about the boy's story, but you didn't ask me. 翻译: 2). Without your help, I wouldn't have achieved so much. 翻译: 8、 “should+have+done”意思是“___________________________”; “shouldn't+have+done”表示____________________________。含有指责对方 或自责的含意。 1). Tom, you are too lazy. The work should have been finished yesterday. 翻译: 2). Look, Tom is crying. I shouldn't have been so harsh on him. 翻译: 9、 “ought to+have+done”表示__________________________”,往往表示遗憾。 与“______________________”用法基本一样。 1). I ought to have gone home last Sunday. 翻译: 2). You ought not to have given him more help. 翻译: 10、 “need+have+done”表示____________________。 “needn't+have+done”则表示“__________________________”。 1). I needn't have bought so much wine—only five people came. 翻译: 2). He need have hurried to the station. In that case, be wouldn't have missed the train. 翻译: ★归纳: 1. ___________________________过去肯定做了某事 2. ___________________________过去可能做了某事 3. ___________________________本来能做而未做 4. ___________________________本应该做而没做 5. ___________________________本不应该做而做了

6. ___________________________过去不可能做了某事 7. ___________________________本来不必做而做了 8. ___________________________本来会做 ★填空: 1. This cake is very sweet. You _______________(put) a lot of sugar in it. 2.My sister met him at the Grand Theatre yesterday, so he ________________(atte nd) your lecture. 3. Tom _________________________(tell) me your secret, but he meant no harm. 4. You ___________________(water) the flowers, for it is going to rain. 5.You ____________________(return) these books to the school library last week. 6. If we had taken the other road, we ____________________ (arrive) earlier. 7. She ____________________(leave) school, for her bike is still here. 8. You __________________ (start) earlier, but you didn’t. ★高考链接 1. Mr. White _____ at 8:30 for the meeting, but he didn’t’ show up. (04’广西卷) A. should have arrived C. should have had arrived A. mayn’t A. must drop C. must be dropping 天津卷) A. shouldn't B. couldn't C. mustn't D. needn't 5. --- I stayed at a hotel while in New York. --- Oh, did you? You ____ with Barbara. (NMET’98) A. could have stayed ★巩固性练习: 1.----Catherine, I have cleaned the room for you. ----Thanks. You _____ it. I could manage it myself. A.needn’t do A. must be B.needn’t have done B. must have been C.mustn’t do C. should be D.shouldn’t have done D. should have been 2.I didn’t hear the phone. I ____ asleep. B. could stay C. would stay D. must have stayed B. can’t B. should arrive D. should be arriving C. mustn’t D. needn’t (05’北京春季)

2.As you worked late yesterday, you___ have come this morning. (06’陕西卷) 3. I have lost one of my gloves. I ________ it somewhere. B. must have dropped D. must have been dropped

4. I _______have been more than six years old when the accident happened. (05’

3. I ____ here in time, but I met an old friend of mine. I stopped and talked with him for some time. A. shouldn’t have come C. needn’t have come A. mustn't leave --- It A. need B. must have come D. could have come C. Couldn't have left D. needn't leave

4.I was really anxious about you. You _____ home without a word. B. Shouldn't have left 5.--- Was it you that made the suggestion? have been. I can’t remember. B. must C. should D. may

6.Oh, I’m not feeling well in the stomach, I_____ so much fried chicken just now. A. shouldn’t cut B. mustn’t have eaten C. shouldn’t have eaten D. mustn’t eat 7.He paid for a seat, when he ______ have entered free. A. could B. would C. must B. mightn’t have spoken D. shouldn’t have spoken D. need at the meeting. 8.I didn’t see her in the meeting room this morning. She A. mustn’t have spoken C. can’t have spoken 9.--- Hi, is that Peter Brown? ---Sorry. You ______ the wrong number. A. must dial B. must have dialed ______ at least 150 kilometers an hour. A. should have been doing C. could have done ★Homework: 1.他可能没有赶上火车。 2.他本应该早些告诉我这消息 3.你不应该拿走他的雨伞的。 4.我没有听到电话铃,我一定是睡着了。 5.我不可能见过他 6.我本来可以把钱借给你的。你为什么没有向我借呢? 7. 迈克本来不必要那么忙的,因为他早半个小时到达了。 B. must have been doing D. would have done C. should dial D. should have dialed 10.I was on the highway when this car went past followed by a police car. They

答案 1. must have put 4. needn’t have watered 1---5 BBDBD 1. must have done

2. couldn’t have attended 5. ought to have returned

3. ought not to have told 6. might have arrived

7. can’t have left 8. should have started 6---10 CACBB 过去肯定做了某事

2. may/might have done 过去可能做了某事 3. might have done 本来可以做而未做 4. should /ought to have done 本来应该做而没做 5. shouldn’t/oughtn’t to have done 本来不应该做而做了 6. could have done 本来可以做而没做 7. can’t/ couldn’t have done 过去不可能做了某事 8.needn’t have done 本来不必做而做了 9. would have done 本来会做 1. He may have missed the train.他可能没有赶上火车。 2. He should have told me the news earlier.他本应该早些告诉我这消息 3. You oughtn’t to have taken away his umbrella away.你不应该拿走他的雨伞 的。 4. I didn't hear the phone. I must have been asleep.我没有听到电话铃,我一定是 睡着了。 5. I can’t have seen him.我不可能见过他 6. I could have lent you the money.Why didn’t you askme?我本来可以把钱 借给你的。你为什么没有向我借呢? 7. Mike needn’t have hurried because he arrived half an hour early. 迈克本来不必要那么忙的,因为他早半个小时到达了。 1.



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