《英语虚拟语气》PPT课件

1、Unit 1 Art,Grammar: Subjunctive Mood,If the rules of perspective had not been discovered, no one would have been able to paint such realistic pictures. Without the new paints and the new technique, we would not be able to see the many great masterpieces for which this period is famous. Without the I

2、mpressionists, many of these painting styles might not exist,虚拟语气,虚拟语气,情景与事实（包括过去、现在或未来）相反，这种语气叫虚拟语气。虚拟语气表示说话人的愿望、假设、或建议，而不是表示客观存在的事实。虚拟语气通过谓语动词的特殊形式来表示,if引导的虚拟条件句,If she invited me now, I would go to the party,假如她现在邀请我参加聚会，我就去,If she had invited me yesterday, I would have gone to the party,假如她昨天邀请我

3、参加聚会，我就去了,If she should invite me tomorrow, I would go to the part,如果她明天邀请我参加聚会，我会去的,1. 对现在的虚拟,If I were you, I would/ could/ should/ might do that,If I had money, I would/ could/ should/ might buy that house,If I met Yang Liwei in the flesh now, I would/could/might/should _,2. 对过去的虚拟,If I had known

4、 that yesterday, I would/ could/ should/ might have told you,If she hadnt eaten so much candy, she wouldnt have had her teeth pulled out,If I _ busy last night, I _ to see the film with you,had not been,would have gone,If he _ more carefully, he _ the car accident yesterday,would not have had,had dr

5、iven,If I _(know) your telephone number,I _ (telephone) you yesterday,had known,would have telephoned,3. 与将来事实相反的假设,If it should rain, the crops should/ would/ could/ might be saved,If I,became were to become should become,a scientist in the future,对将来情况的虚拟,I would try to find a cure for cancer,要是将来

6、我成了一名科学家，我就会努力找出治疗癌症的方法,Fill in the blanks,would/could/should/might +动词原形,动词过去式 (be动词用were,had+过去分词,would/could/should/might + have+过去分词,would/could/should/might +动词原形,1. 动词过去式(be用were) 2. should+动词原形 3. were to+动词原形,1. 如果你早来5分钟,你就赶上这趟车了,If you _ here five minutes earlier, you _ the bus,2. 如果我现在不忙,我

7、就来帮你了,If I _ not busy, I _ you now,3. 如果明天下雪了,我们怎么办,What _ we do if it _ tomorrow,had got,were,would help,should,were to snow,would have caught,1. If I _ a map, I would lend it to you. A. have B. had C. should D. would 2. Alan _ the party if he had gone to London. A. would have missed B. had missed

8、C. would miss D. missed,If型特例：省略 if 的条件从句,用法：虚拟条件句中有 were, had 或 should 时，可省略if ，而把were, had, should放在句首,用倒装结构。(否定句中not不提到前面来,3. If you had not helped me，I should have failed,2. If he should fail in the experiment this time, he would try again,1. If I were you, I would not do that,Were I you, I woul

9、d not do that,Should he fail in the experiment this time, he would try again,Had you not helped me, I should have failed,1. _ he come, the problem would be settled. A. Would B. Should C. Shall D. If 2. _, man could not live at all. A. Were it not for the sun B. If it was for the sun C. Had it not be

10、en for the sun D. If it shouldnt be for the sun,Exercises,B,A,3. _, everything would have been all right. A. He had been here B. Here he had been C. Been here he had D. Had he been here 4. _ fired, your health care and other benefits will not be immediately cut off. A. would you be B. should you be

11、C. could you be D. might you be,D,B,Fill in the blanks,would/could/should/might +动词原形,动词过去式 (be动词用were,had+过去分词,would/could/should/might + have+过去分词,would/could/should/might +动词原形,1. 动词过去式(be用were) 2. should+动词原形 3. were to+动词原形,二、虚拟语气特殊句型,wish 后面的宾语从句中。 一般用虚拟语气，表示一种不可能实现的愿望其谓语动词形式为,wish 的宾语从句,现在: 过

12、去时(did/were) 过去: 过去完成时(had done) 未来: would/could/might/should +V.(原,I wish I were a bird,I wish every day were my birthday,I wish I were as tall as Yao Ming,I wish/wished I hadnt eaten so much watermelon,表示对过去情况的虚拟：从句动词常用“had过去分词,The party was terrible, I wish I had never gone to it,I wish it would

13、rain tomorrow,和将来相反，用would+动词原形,He is not a millionaire but he _ he were. A. wishes B. hopes C. longs D. believes I wish that I _ visit my uncle the day after tomorrow. A. shall B. have C. would D. am going to I wish it _ spring all the year round. A. will be B. were C. be D. is I wish I _ to that u

14、niversity with you yesterday. A. would go B. went C. did go D. had gone,Exercises,我现在要是年轻十岁就好了。 I wish I were ten years younger now. 我昨天要是遇见他就好了。 I wish I had met him yesterday. 我希望成为一名科学家。 I wish I would be a scientist,2. would rather that,现在: 过去: 未来,I would rather you paid me now. I would rather I

15、 hadnt come yesterday. I would rather you came tomorrow,过去时,过去时,过去完成时,3. as if /though + 从句,现在： 过去,过去时,过去完成时,She loves the baby as if it were her own son. I remember the whole thing as if it had happened yesterday,他们就像多年的朋友一样交谈。 They talked as if they had been friends for years. 他看上去像是醉了。 He looks a

16、s if he were drunk. 她看起来似乎是冰做的。 She looked as if she had been made of ice,我们该去睡觉了,4. Its (about/high) time +that,过去时(were) should(不省) +V,你该走了,Its high time that you went. Its high time that you should go,Its time that we went to bed. Its time that we should go to bed,5. 表示要求、命令、建议的虚拟语气。使用should + 动词

17、原形，或者将should省略,常见动词: 一个坚持，两个命令， 三个建议，四个要求。即 1) insist 2) order, command 3) advise, suggest, propose 4) demand, require, request, ask,I suggest that we (should) hold a meeting next week. He insisted that he (should) be sent there,注意：suggest 当表示“暗示、表明”讲时，insist 表示“坚持说”“坚持认为”之意时，应用陈述语气。 suggest表示“建议” ，

18、insist 表示“坚持要某人做某事”时，用虚拟语气,1) The guard at gate insisted that everybody _ (obey) the rules. 2) He insisted that she _ (be) seriously ill and that _ (send) to hospital at once,obey,was,be sent,3) He suggested that we _ (have) a meeting at once. 4) His pale face suggested that he _ (be) ill,have,was,在

19、suggestion / proposal / order / plan / advice / idea / request 等名词后的表语和同位语从句中要用“should动词原形”should可以省略,在表要求，命令等的名词用于表语从句和同位语从句,My idea is that we (should ) think it over before accepting it,My suggestion that we (should) have a meeting has been accepted by others,We all agree to the suggestion that t

20、he meeting (should) be put off,6. Its necessary/strange/natural/ important /a pity/no wonder/impossible + that 从句, 从句中的动词要用虚拟，即 (should) + 动词原形,我们掌握一门外语是非常重要的。 It is important that we (should) master a foreign language,7. If only 引导的感叹句（要是该有多好啊)表示现在的情况,应用过去式; 如果是过去的情况,应用过去完成时态,If only I were a flyin

21、g bird! 要是我看过那部电影就好了！ If only I had seen the film,现在： 过去,过去时,过去完成时,Choose the best answer: It is strange that the little boy _ speak two foreign languages. A. could b. can C. should D. would 2. He gave orders that the experiment _ before 5:30pm. A. be finished B.will finish C. must be finished 3.Wit

22、hout the leadership of the Party,there _no New China. A.would be B. has been C. should be D.was,C,A,A,4. The young man insisted that he _ nothing wrong and _ free. A. did; set B. had done; should be set C. should do; be set D. had done; must be set 5. Had you listened to the doctor, you _ all right now. are B. were C. would be D. would have been 6. You _ come earlier. The bus left a moment ago. A. would B. should have C. may D. have,B,B,c,Homework,Textbook: P5, P13, P43, P51 Rev