高中英语语法复习课件——虚拟语气

1、if if引导的虚拟条件句引导的虚拟条件句（一)If + 主主 + did(were), 主主+would/should/could/might +动词原形动词原形If I were you, I would try it again.1. 如果我是你，我会再试一次。如果我是你，我会再试一次。2.2.如果我有一百万美元，我会买下这架飞机。如果我有一百万美元，我会买下这架飞机。If I had one million dollars, I would buy the plane.与现在事实相反的虚拟条件句与现在事实相反的虚拟条件句If +主主 +had done sth, 主主+would/sh

2、ould/could/might +动词完成式（动词完成式（have done）If he had worked hard, he would have passed the examination.1.1.如果他努力学的话，他就通过这次考试。如果他努力学的话，他就通过这次考试。If I had married her, I would have been unhappy.2.2.要是当时我和她结了婚的话，那我是很不幸的。要是当时我和她结了婚的话，那我是很不幸的。与过去事实相反的虚拟条件句与过去事实相反的虚拟条件句与将来事实相反的虚拟条件句与将来事实相反的虚拟条件句( (通常有时间状语通常有时

3、间状语) )If he came here tomorrow, I would tell him about it.If he were to come here tomorrow, I would tell him. 反馈训练反馈训练 6 Page 192 1.1.如果他明天来的话如果他明天来的话, ,我会告诉他这件事我会告诉他这件事.2.2.如果他明天来的话如果他明天来的话, ,我会告诉他我会告诉他.If + 主主 + did(were to /should do), 主主+would/should/could/might +动词原形动词原形非真实条件句的虚拟非真实条件句的虚拟虚拟条件句中

4、的主句和从句的动作发生的时间不一致，这时主句和从句的谓语形式应按照各自动作发生的实际时间来表达 1.If you had followed my advice, you_ able to finish the work now. would be B. would have been C. had done D. was going to 2.If he had not gone out in the storm,_.he will be alive now.he would be alive now.he would have been alive now.he would have liv

5、ed nowAB省略省略 if的条件句的倒装：的条件句的倒装：如果如果ifif条件状语中有条件状语中有were, had, should时时, , 可以可以将将if if 省去，并把省去，并把Were / Should / Had 提到句首提到句首Were I you, I would try it again. Had he been there yesterday, he would have seen the film. Should it snow tomorrow, we wouldnt go out. If I were you, I would try it again.If h

6、e had been there yesterday, he would have seen the film.If it should snow tomorrow, we wouldnt go out.非真实条件句中的条件从句有时不表示出来，非真实条件句中的条件从句有时不表示出来，只暗含在上下文中，这种句子叫做含只暗含在上下文中，这种句子叫做含蓄条件句。含蓄条件句大体有三种情况蓄条件句。含蓄条件句大体有三种情况: 1. 条件暗含在短语中。如：条件暗含在短语中。如：without, but for, in case of. etc I have been so successful witho

7、ut your help. But for your help we couldnt have succeeded in the experiment. 2. 条件暗含在上下文中条件暗含在上下文中.如：如：or,otherwise I was very busy yesterday. Otherwise I would have come to see you.3.条件用其他形式来表示条件用其他形式来表示 If only , suppose/ supposing/providing .Suppose you were in my shoes, what should you doIf only

8、 we had followed your advice!反馈训练反馈训练 7 Page 193虚拟语气在虚拟语气在宾语从句中的使用宾语从句中的使用请求，请求， 要求，要求， 命令，命令， 建议建议Should+动词原型Insist 坚持坚持order, command 命令命令advise, suggest, propose, recommend 建议建议 demand, require, request, desire 要求要求Its requested that all the students (should) wear school uniforms at school. My su

9、ggestion is that you ( should ) go home first before coming here. He insisted that John (should ) do it.It is necessary that we should get everythingReady by the end of the week注意注意:当当suggest 表示表示“暗示暗示,表表明明”;insist表示表示“坚持认为，坚坚持认为，坚持说持说”时不用虚拟！时不用虚拟！His accent suggests he comes from Hunan.I insist tha

10、t he was wrongHis silence suggested that he agreed with my decision He insists that doing morning exercises does good to peoples health. 虚拟语气特殊句型：虚拟语气特殊句型：1.wish that2. as if /as though3.would rather that4.Its ( about/high) time that1. wish that现在：现在：过去：过去：将来将来 :did /were(现在现在)had done(过去过去)would/co

11、uld+动词原形动词原形(将来将来)The picture exhibition bored me to death. I wish I_to it.A. hadnt gone B. havent goneC. didnt go D. could not have goneHow I wish I _that! Everybody present was angry with me.A. didnt go B. hadnt done C. wouldnt do D. wasnt doingTom can take his car apart and put it back together a

12、gain.I certainly wish he _me how.A. teaches B. will teach C. has taught D. would teachD2. as if /though + Clause现在：现在：过去：过去：将来将来 :did /were(现在现在)had done(过去过去)She loves the baby as if it were her own son.He speaks as if he had been to the United States. would+动词原形动词原形(将来将来)When a pencil is partly in

13、 a glass of water, it looks as if it _.A. breaks B. has broken C. were broken D. had been brokenThe actor is 58 years old. But he acts as if he _ a young man.A. is B. will be C. am D. wereThe clouds are getting darker and darker. It looks as if it _rain.A. is going to B. will C. was going to D. woul

14、d注意：注意：如果表示的事情可能如果表示的事情可能会发生，那么状语从句中的会发生，那么状语从句中的谓语动词可用陈述语气。谓语动词可用陈述语气。It looks as if you are tired.3. Its (high) time thatdid /wereShould +动词原形动词原形Its time we worked hard.Its high time that we started.1.It s high time that we _ to school. would B. went C. go D. will go2.Its time we _ up our results

15、 . sum B. summed C. will sum D. would sumBB4. would rather that现在：现在：过去：过去：未来：未来：过去时过去时过去完成时过去完成时过去时过去时I would rather you paid me now.I would rather you had gone, too.Dont come. I would rather you came tomorrow.She says shed rather he _tomorrow instead of today. A. had B. should leave C. leaves D. leftId rather you _ me the news. A. not tell B. not to tell C. didnt tell D. hadnt told注意注意: 在主语在主