虚拟语气+(自)+Microsoft+PowerPoint+演示....ppt

1、由于说话人意图的不同，动词需用不同的形式，称为语气。英语有三种语气：陈述语气、祈使语气和虚拟语气。 1、陈述语气陈述事实。 He is a teacher. He is very careful. 2、祈使语气提出命令、请求等。 Please come in. Keep quiet, please. Be careful! 3、虚拟语气表示主观愿望和假设虚拟的情况。 I wish I were much younger. If he came here now, we would be very happy.,高考英语专题复习 第八讲 虚拟语气,虚拟语气,If 引导的非真实条件句，可对过去，现

2、在和将来情况进行虚拟 对现在情况的假设（表示现在实际并不存在的情况）,If I were you, I would not be that silly. If I had a lot of money, I could buy a large house.,虚拟语气是英语的一种特殊的动词形式。它所表达的意义丰富多彩，在句中可以表示某种假设、愿望、建议、要求、请求、命令、猜测等。虽然教材对虚拟语气没有作要求，近几年高考试题中也很少出现单独考查虚拟语气的题目，但在听力、完形填空和阅读理解题中经常会碰到，给考生在理解上造成困难。因此基本搞清在什么情况下用虚拟语气以及怎么用虚拟语气还是很重要的。,2.

3、对过去情况的假设（表示过去实际上没有发生的情况）,If you had been to the cinema yesterday, you would have met your old friend. If I had had your telephone number at that moment, I could have got in touch with you.,3.对将来情况的假设（表示将来实现可能性不大的情况）,If you were to set off right now, you could arrive there on time. If it should rain

4、tomorrow, we would not go out and play.,4. 混合时态的虚拟语气：有时从句和主句的时态不一致，即主句和从句可以指不同的时间 1.If I had worked hard when I was in high school, I might be an engineer now. 2. If I followed your advice at that time, I would not have so many problems.,5.条件从句中省略掉if时，从句要部分倒装，即把were, had,或should移到主语前但是如果句子中没有were, h

5、ad,或should则不能这样做 Were I you, I would not be that silly. Had you been to the cinema, you could have met your old friend. Should it rain tomorrow, we would not go out and play.,6.注意问题:1. If条件句中绝对不可出现would.,7. wish后的宾语从句:与现在愿望不一致 主语+过去时;与过去愿望不一致 主语+had+过去分词;与未来愿望不一致 主语+would(could)+原形.I wish I were you

6、.I wish I had visited the white House when I was in the states.I wish I would meet you tomorrow at the party.,8.Its time句型:当Its time后用that从句时应该为:主语+should+原形 或 主语+过去时,例如:Its time that you went to school. 或Its time that you should go to school.,9. If only引起的感叹句相当于How I wish+宾语从句If only he could come!

7、 他要能来就好了.If only I had known the answer! 我要早知答案就好了.,10.would rather, as if(though)引导的句子也需使用虚拟,表示过去的情况用过去完成时(had done),表示现在(did/were),表示将来的情况用过去时,状语从句中谓语动词用would do. 如:Id rather you posted the letter right away.Id rather you had returned the book yesterday.She loves the children as if they were hers.

8、Alan talked about Rome as if he had been there.He cried as if his heart would break.,11.在动词insist, order, command, suggest, advise, propose, demand, request, require等后面的宾语从句中，位于动词要用should do. He insisted that we should finish the homework before 9:00. The manager commands that everyone should wear f

9、ormal clothes to work every day. The teacher suggests that the students should listen to English ecery day.,12. It is +demanded(important,natural, strange, possible, necessary, ordered, requested, suggested, required)主语从句从句谓语用should do. It is demanded that the students should obey the school rules.,

10、13.suggestion, advise, demand, order, plan, idea, proposal, requirement等词的同位语从句中谓语动词用should do. a. The proposal that we should build another hospital in thia area is reasonable.,14. It is (high) time that sb. Did (should do) sth. 的结构中，（should不能省略） It is high time that I should pick up my kid.,If I h

11、ad hurried, I _ the train. A. would catch B. could catch C. Would have caught D. had caught 2. Without your help, I _ the exam last term. A. would have passed B. wouldnt raining C. would have failed D. failed in 3. _, John would not have missed the train. A. If he has listened to me B. Had he listen

12、ed to me C. It he listened to me D. As soon as he listened to me,C,C,B,4. I wish I _ with you last night. A. could have gone B. had go C. went D. would have gone 5. The manager insisted that the work _ within the given time. A. had B. would be finished C. was finished D. be finished 6. It is importa

13、nt that someone searching for a job _ all the prospects. A. consider B. considers C. will be considering D. should be considered,A,A,D,7. It is high time he _ strong action against them. A. will take B. takes C. has taken D. took 8. I would rather you _ anything about it for the time being. A. do B.

14、 didnt do C. dont do D. didnt,B,D,附加练习： 1. I was ill that day, otherwise I _ the sports meet. Would take part in B. had taken part in C. Took part in D. would have taken part in 2. She couldnt have answered the question if she _ a few books on world history. hadnt read B. havent C. Had been D. were

15、3. The children talks to us as if he _ a grown-up. A. is B. will be C. had been D. were,D,A,D,4. _ the clouds, you would find the airplane in the shy easily. Were it not for B. If it had not been for C. If it were not D. Had it not been for 5. But for the party, he _ hunger 30 years ago. would have

16、died B. must have died C. night have seen D. had seen 6. He didnt come yesterday, or you _ him. would see B. were to see C. might have seen D. had seen,A,A,C,7. Its necessary that each child _ the rules. obey B. obeys C. will obey D. must obey 8. Its time that you _ home and Id rather you _ again to

17、morrow. are going, will come B. go, are coming C. went, came D. would go, would come 9. If the United States had built more homes for poor people in 1955, the housing problems now in some parts of this country _ so serious. wouldnt be B. will not have been C. wouldnt have been D. would have not been

18、,A,C,C,10. Were it not for the debts, we _ all right. Would be B. would have been C. were D. are 11. It is ordered that no smoking _ in the middle school. Is allowed B. be allowed C. Should allowed D. will be allowed 12. I remember the story as if _. I had just read it B. I read it just C. I have just read it D. just I had read it 13. It is high time he _ strong action against them. A. Will take