高考英语三轮复习考点闯关-情态动词(表推测用法)

1、考点闯关（十二）情态动词（表推测用法）1I _have been more than six years old when the accident happened. A. shouldn t B. couldn t C. mustn t D. needn t2. He have completed his homework ; otherwise, he wouldn t be enjoying himself on the play ground. A. should B. must C. wouldn t D. can t3.Do you know where David is? I

2、couldnt find him anywhere. Well. He have gone far. His coats still here. A. shouldn t B. mustn t C. can t D. wouldn t4.He stayed in Africa visiting wild animals for seven days. Oh, dear ! He a lot of excitement!A. may go throughB. might go throughC. ought to have gone throughD. must have gone throug

3、h5He paid for a seat, when he have entered free.A. could B. would C. must D. need6This cake is very sweet. You a lot of sugar in it. A. should put B. could have put C. might put D. must have put7These flowers are dead. I them less water. A. should have given B. will give C. would give D. must give8.

4、 You really shouldn t have shouted to your teacher. Right. I crazy then. A. must be B. must have been C. could have been D. should have been9. I was on the highway when this car past followed by a police car. They_ at least 150 km an hour. A. should have been doing B. must have been doing C. could h

5、ave done D. would have done10He must have finished the work last night, _?A. didn t he B. hasnt he C. havent he D. did he 11Lucy have been to Mary s wedding. They are the best friends. But she for some reason, because Mary asked us why Lucy had missed her wedding. A. would; couldn t B. should ; can

6、tC. must ;wasn t able to D. must ; might not1 / 412. I saw Mr. Smith at the West Beijing Station this morning. You He s still on holiday in Hawaii. A. couldn t have B. mustn t haveC. shouldn t D. needn t13.Did you walk all the way home by yourself? Yes, I did. But I guess I . A. needn t B. needn t h

7、aveC. shouldn t D. may not have14.You could have done better, but you were too careless.A. must B. could C. cant D.mustnt15. You _ have given him more help, though you were busy.A. shall B. must C. might D. will 参考答案1B 【解析】：本句意为“当那次事故发生时，我可能还没有6岁。”表示对过去情况的否定的推测，用could have done而can/could常用语否定的推测，故只有

8、couldnt才能达意。2B 解析 他一定做完了作业，要不然他不可能在操场玩得那么开心。本题考查must对过去推测的用法，应用must have done结构表示过去一定做了某事，而should have done表示过去应该做而没做。3C 解析：根据语境，他的大衣还在，推断他不可能走远。考查情态动词的否定推测用法，只有Can t表达“不可能”。Can常用于否定句和疑问句中。4D 解析：由上句的“在非洲参观了野生动物”可知，他一定经历了许多兴奋。表示对过去情况的推测用must have done结构。5A 解析：本句意为“尽管他可以免费进入，但他还是付了座位费。”故用could have do

9、ne来表示“本能够做而未做”。6D 解析：蛋糕很甜，你一定放了很多的糖。放糖的动作发生在过去，根据句意应用对过去的肯定推测用must have done的结构。7A 解析：这些花死了，我本该少浇水的。should have done表示应该做而没做，表责备、埋怨。8B解析：-你真的不应该对着你的老师大叫。-是的，当时我一定是疯了。用must have done表示对过去的肯定推测。故B正确。9B解析：我在高速路上，就在这这辆车被一辆警车追赶，他们一定开了至少150公里每小时。must have been doing表示对当时的推测。本句意为“那时的速度一定有150公里/小时”。10答案A 【解

10、析】： 句意：昨晚他一定完成了作业，是吗？ 句子有时间状语last night，不能用hasnt he .11C解析：-露西一定参加了玛丽的婚礼，他们是好朋友。- 但是由于某种原因没去，因为玛丽问我露西为什么错过了他的婚礼。前者表示对“过去”的肯定推测，后者指“过去”没能去。12A解析：句意：你不可能见过他，他还在夏威夷。完整结构是You couldnt have seen MrSmith。表示对过去发生的动作的否定推测。13B解析：句意：-你是自己走回家的吗？-是的，但是我认为你本来不必的。 表示过去做了没有必要做的事。14. B 【解析】：本句意为你本可以做的更好的，但是你太粗心了。could have done用于肯定句中，表示“可能已经”的意义