虚拟语气复习课件 优质课件

1、 Definition 英语动词有三种语气， 陈述语气，祈使语气和虚拟语 气. 虚语语气（the Subjunctive Mood）表示说话人的一种 愿望、建议、命令、要求、有时是一种非真实的假设、 料想，或是不可能实现的与事实相反的愿望。 虚拟语气的考点虚拟语气的考点 1、一般条件句中虚拟语气的用法； 2、条件句中虚拟语气的倒装； 3、名词性从句中虚拟语气的用法； 4、几种特殊结构中虚拟语气用法。 if if引导的引导的虚拟条件句虚拟条件句 If + 主 + did(were), 主+would/should/could/might +动词原形 1. 如果我是你，我会再试一次。 If I w

2、ere you, I would try it again. 2.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 +had done, 主+would/should/could/might +动词现在完成式（have done） 1.如果他努力学了的话，他就通过这次考试。 If he had worked hard, he would have passed the examination. 2.要是当时我和她结了婚的话，那我是很不

3、幸的。 If I had married her, I would have been unhappy. 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(通常有时间状语) 1.如果他明天来的话 ,我会告诉他这件事. If he came here tomorrow, I would tell him about it. 2.如果他明天来的话,我会告诉他. If he were to come here tomorrow, I would tell him. If + 主 + did(were to /should do), 主+would/should/ co

4、uld/might +动词原形 虚拟语气虚拟语气 Subjunctive Mood 时间 条件从句 if 主句 过去 had done would/should/could/ might have done 现在 did/were would/should/could/ might do 将来 1.should do 2.were to do 3.did If you _tomorrow, you _ find the new manager working in the office. A. should come; would B. would come; would C. will co

5、me; should D. comes; might If the parents _at the hospital earlier after the accident, the child would have been saved. A. arrives B. arrive C. had arrived D. has arrived 倒装的If虚拟句 如果条件状语中有were, had, should时, 可以倒 装成：Were / Should / Had +主+其他 Were I you, I would try it again. Had he been there yesterd

6、ay, he would have seen the film. Should it snow tomorrow, we wouldnt go out. If I were you, I would try it again. If he had been there yesterday, he would have seen the film. If it should snow tomorrow, we wouldnt go out. _five minutes earlier, you could have seen them off. A. If you should arrive B

7、. If you arrive C. Had you arrived D. Should you arrive _it rain tomorrow, we should have to put off the visit to the Science Museum. A. Were B. should C. would D. will 名词性从句的虚拟语气名词性从句的虚拟语气 主要是表示命令、要求、建议的虚拟语气。 常见动词： 一个坚持：insist 两个命令：order, command 三个建议：advise, suggest, propose 五个要求：demand , require,

8、 request, desire, ask ?这些动词后面的宾语从句要使用虚拟语气用法。 ?即从句中的动词 使用should + 动词原形，或者 将should 省略。 宾语从句中的虚拟语气 1.The teacher demanded that the work _ before 4 oclock. A. finished B. be finished C. should finish D. finish 2. - What did the doctor say about your mothers illness? - He suggested that she _ an operatio

9、n at once. A. must have B. had C. have D. had had 注意： 这类动词后面除了可接that虚拟句以外，也可以 接doing或者to do来表达，一般情况下，意思 没有什么差别。 She advised that we should keep the gate locked. （书面体） She advised us to keep the gate locked.（口语） She advised keeping the gate locked.(较随便) 主语从句中的虚拟语气 ? 基本句型：基本句型： ? It is suggested, orde

10、red, proposed, required, demanded, requested, insisted that + (should) do ? It is important, necessary, natural, desirable, strange, advisable, imperative that + (should) do ? It is a pity, a shame, no wonder that + (should) do 注意： 这类形容词后面除了可接that虚拟句以外，也可 以forto do 来表达，一般情况下，意思没有 什么差别。 It is essenti

11、al that he should be prepared for this. It is essential for him to be prepared for this. 1. Is it necessary that he _ the examination? A. takes B. has to take C. must take D. take 2. It is strange that he _ you this. A. would tell B. should tell C. had told D. has told 表语从句和同位语从句中的虚拟语气表语从句和同位语从句中的虚拟

12、语气 在 suggestion, proposal, idea, plan, order, advice 等名词后面的表语从句、同位语从 中要用（should）+动词原形。 ? My idea is that we (should) get more people to attend the conference. ? I make a proposal that we (should) hold a meeting next week. 几种特殊结构中虚拟语气的用法 我要是记得地址就好了。（真可惜我忘了） I wish I remembered the address 要是他没有离开这里就好

13、了。（他已离开） How I wish he had not left . 要是明天下雨就好了（说话人以预料明天不会下雨） I wish it would rain tomorrow. wish + that How I wish did/were 现在 had done 过去 could / might /would do 将来 1. wish 2. If only 要是就好了 = I wish If only I knew his name now! If only we had followed your advice last time ! If only I could see hi

14、m again next year ! If only I hadnt missed the train! 要是我没错过火车就好了 . Exercises: “ Have you visited the Science Museum?” “ No, but I really wish I _.” A. had B. did C. have D. will I didnt go to the party, but I do wish I _there. A.was B. were C. had been D. went If only I _ a girlfriend now! A. had B

15、. have C. will have D. could have 3.would rather Id rather you posted the letter right away. 我倒希望你把这封信立刻寄出去。 I would rather you had returned the book yesterday.我真希望你昨天把这本书还了。 I would rather you came tomorrow. 我宁愿你明天来。 did 现在 had done 过去 did 将来 4. Its (high, about) time that should不可以省略 Its time that

16、 we should go to sleep. Its time that we went to sleep.我们该睡觉了。 It is high time that we put an end to this discussion.现在是我们该结束讲座的时候了 。 did/were should+V. It seems as if it were spring. 像是春天一样。 They talked as if they had been friends for years. 他们交谈着，就好像他们是我年的老朋友一样。 She looks as if she would cry.她看起来好

17、像要哭了。 5. as if/ though+从句 did/were 现在 had done 过去 would/could/might do 将来 6. in case, so that ,unless, lest （唯恐，以免）,for fear that+从句 should +动词原形，例如： She put a blanket over the baby for fear that he should catch cold. 她在那个婴儿身上盖上了毯子 以免他着凉。 ?It is time that you _ the whole book. A. must go over B. can go over C. went over D.