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1、情态动词+have_done的用法,情态动词+have done”的用法,情态动词+have_done的用法,一、 “must+have+done,表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。 1. It must have rained last night, for the ground is wet. 昨晚一定下雨了，因为地面还是湿的。 2. You must have been mad to speak to the servant. 你和仆人说话，一定是发疯了,情态动词+have_done的用法,二、 “cant+have+done,表示对过去事情的否定推测，
2、译成“不可能做过某事”。 1. Mr. Smith cant have gone to Beijing, for I saw him in the library just now. 史密斯先生不可能去北京了，我刚才还在图书馆见过他。 2. Mary cant have stolen your money. She has gone home. 玛丽不可能偷你的钱，她回家去了,情态动词+have_done的用法,三、 “can+have+done,表示对过去行为的怀疑，用于疑问句，译成“可能做过吗？”。 1. There is no light in the room. Can they ha
3、ve gone out? 屋里没有灯，他们可能出去了吗？ 2. There is nowhere to find them. Where can they have gone? 到处找不到他们，他们可能到什么地方去呢,情态动词+have_done的用法,四、 “could+have+done,是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。 He could have passed the exam, but he was too careless. 本来他能够通过考试，但是他太粗心,情态动词+have_done的用法,五、 “may+have+done,表示对发生过的事情的推
4、测，意思是“可能已经”或“也许已经”，用于肯定句中。 What has happened to George? I dont know. He may have got lost. 乔治发生了什么事？ 我不知道，他可能迷路了,情态动词+have_done的用法,六、 “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. (MET90) 他或许会多给你一些帮助，即使他很忙。 2. She might ha
5、ve achieved greater progress, if you had given her more chances. 如果你多给她点机会，她可能已经取得更大的成绩,情态动词+have_done的用法,七、 “would+have+done,虚拟语气，表示对过去事情的假设，意思是“本来会”。 1. I would have told you all about the boys story, but you didnt ask me. 我本来会告诉你这个小男孩的故事，但是你没有问我。 2. Without your help, I wouldnt have achieved so m
6、uch. 没有你的帮助，我是不会取得如此大的成绩,情态动词+have_done的用法,八、 “should+have+done,意思是“本来应该做某事，而实际没做。” “shouldnt+have+done”表示本来不应该做某事，而实际做了。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. 汤姆，你太懒惰了，这项工作本来应该昨天就做完的。 2. Look, Tom is crying. I shouldnt have been so harsh on him. 看，汤姆哭了
7、，我本来不应该对他如此严厉,情态动词+have_done的用法,九、 “ought to+have+done,表示过去应该做而实际并没有做，译成“理应做”，往往表示遗憾。与“should+have+done”用法基本一样。 I ought to have gone home last Sunday. 我理应上星期日回家。 You ought not to have given him more help. 你不应该帮助他那么多,情态动词+have_done的用法,十、 “need+have+done,表示本来需要做某事而没有做。“neednt+have+done”则表示“本来不需要做某事而做了
8、” I neednt have bought so much wineonly five people came. 我本来没有必要买这么多酒，只来了五个人。 He need have hurried to the station. In that case, he wouldnt have missed the train. 他本来需要快点去车站，那样的话，他就不会误了火车,情态动词+have_done的用法,总结,Can/could have done“本来能够做而没做” Cant/couldnt have done “不可能做了” May/might have done “可能做过” Mu
9、st have done “肯定做了” Should have done “本来应该做”(实际上没做) = ought to have done Shouldnt have done “本来不应该做”（实际上做了） =ought not to have done Need have done “本来需要做” Neednt have done“本来不需要做” Would have done“本来会” Wouldnt have done “本来不会,情态动词+have_done的用法,经典考例1】 The weather turned out to be fine yesterday. I _ t
10、he trouble to carry my umbrella with me. (2006江西) A. should have taken B. could have taken C. neednt have taken D. mustnt have taken 【经典考例2】 As you worked late yesterday, you _ have come this morning. （2006陕西） A. maynt B. cant C. mustnt D. neednt,情态动词+have_done的用法,1. Harry _ have won the Physics com
11、petition easily yesterday, but he gave up. A. could B. might C. should D. must 2. He paid for a seat, when he _ have entered free. A. couldB. wouldC. mustD. need,情态动词+have_done的用法,I didnt see her in the meeting room this morning. She at the meeting . A. mustnt have spoken B. mightnt have spoken C. c
12、ouldnt have spoken D. shouldnt have spoke,情态动词+have_done的用法,Hi, is that Peter Brown? -Sorry. You _ the wrong number . A. must dial B. must have dialed C. should dial D. should have dialed He is not poor. You _ have lent him the money. A. cant B. neednt C. couldnt D. mustnt,情态动词+have_done的用法,There wa
13、s plenty of time. You _ have hurried. A. wont B. mustnt C. neednt D. couldnt,情态动词+have_done的用法,I _ here in time, but I met an old friend of mine. I stopped and talked with him for some time. A. shouldnt have come B. must have come C. neednt have come D. could have come,情态动词+have_done的用法,They _ have
14、finished the work yesterday, but it was raining hard. A. must B. could C. shouldnt D. might Something _ to him. ( 05江西22题 ) A. must happen B. should have happened C. could have happened D. must have happened,情态动词+have_done的用法,I didnt hear the phone. I _ asleep. (MET 89) A. must be B. must have been C. should be D. should have been,此课件下载可自行编辑修改，供参考！ 感谢你的支持，我们会努力做得更好
