虚拟语气精讲上课 完整版PPT

1、Subjunctive Mood虚 拟 语 气Grammar revision1.英语动词有三种语气， 陈述语气，祈使语气和虚拟语气.2. 定义：表示说的话不是事实，而是一种愿望或建议，这种假设的语气叫虚拟语气。虚拟语气定义本节课教学任务 1、一般条件句中(if引导）虚拟语 气的用法；2、条件句中虚拟语气的倒装；3、错综条件虚拟语气；4、名词性从句中虚拟语气的用法一、一般条件句中的虚拟语气时 间 If 条件句主 句过去had donewould should +have done sthcouldmight现在助动词 be用 were 实义动词 do 用 did would should +

2、do sthcouldmight将来did / were should dowere to dowould should + do sthcouldmight1. If I had HIV, I would know because I would feel sick.2. If I were you, I would give AIDS patient a hug.3. If I had taken your advice, I wouldnt have made a mistake.4. If he had been there, it wouldnt have happened.与现在事

3、实不相符与过去事实不相符5. If it should rain tomorrow, they wouldnt go for an outing.6. I think we could do it, if we planned it properly and could borrow the tools.7. If we were to have three days off , we would enjoy a very happy life.与将来事实不相符If I were you, I _ buy the house right now. A. wont B. dont C. woul

4、dnt D. cant2. _more careful, his ship would not have sunk. A. If the captain were B. If the captain had been C. Should the captain be D. If the captain would have been 3. If he _ me tomorrow,I would let him know. A. should call B. should not have been able C. were not able D. are not able BCAPractic

5、e I: Multiple choice二、条件句中虚拟语气的倒装 假设条件虚拟倒装: 条件从句中含有should， were， had 三个助动词时，可以把if省略，并将这三个助动词置于句首。If I were you, I would give it up.Were I you, I would give it up. If I had taken your advice, I would have succeeded.Had I taken your advice, I would have succeeded.If there should be a flood, what shoul

6、d we do?_a flood, what should we do?Shoul there bePractice II: Rewrite sentences & Multiple choice4.If I were you, I would take an umbrella._，I would take an umbrella.5.If Tom had taken my advice, he wouldnt have made such a mistake._，he wouldnt have made such a mistake.6. If he should come here tom

7、orrow, I might/would talk to him._ ，I might/would talk to him.Were I youHad Tom taken my advice Should he come here tomorrow7. _ I be free tomorrow, I could go with you.A. Could B. Should C. Might D. Must8. _ today, he would get there by Friday.A. Would he leave B. Was he leaving C. Were he to leave

8、 D. If he leave9. Should it rain, the crops _ .A. would be saved B. would have been saved C. will be saved D. had been saved10. _ your letter, I would have written back two days ago.A. If I received B. Should I receive C. Had I received D. If I could have receivedBCAC三、 错综条件虚拟语气 由if条件句所引导的含有虚拟语气的句子中

9、，条件从句谓语动词虚拟发生的时间与主句的谓语动词虚拟发生的时间不一致，叫做错综条件虚拟语气。此时主句和从句的谓语动词要依照各自虚拟的时间而定。If the weather had been finer, the crops would be growing still better.If you had followed the teachers advice, you wouldnt be in the hospital now.11. If you _ him yesterday, you _ what to do now. A.asked would know B. asked him

10、knowC.had asked would have knownD. had asked would know12.If we _ the car by turn, you_ so tired now.A. drove wouldnt be B. had driven wouldnt beC. were to drive were D. drove had been13. _ you _ hard three years ago, you _ in Peking University now.A. Had, studied, would be studyingB. Did, study, wo

11、uld study C. were, to study, studyD. Had, studied, study DBAPractice III: 四. 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。宾语从句。常见动词：一坚持：insist 二命令：order, command 五建议：advise, suggest, propose，advocate, recommend六要求：demand , require, request，desire,urge,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 do或should be done，shou

12、ld可省略。 2、以上动词相应的名词构成的名词性从句（包括主语从句，表语从句和同位语从句）也要使用虚拟语气。从句中的动词形式一样，即：should insistence, command, order, advice, suggestion, proposal, demand, request, desire, requirementMy demand is that she should come to see me once a week.All of us are for the advice that the chemical factory should be closed down

13、.Its suggested/demanded/requested/insisted/ordered that the plan be carried out.14.The teacher demanded that the work _ before 4 oclock. A. finished B. be finished C. should finish D. finish15. - What did the doctor say about your mothers illness? - He suggested that she _ an operation at once. A. m

14、ust haveB. hadC. have D. had hadBC16. The young man insisted that he _ nothing wrong and _ free. A. did; set B. had done; should be set C. should do; be setD. had done; must be set17. The old professor gave orders that the experiment _before 6. A. was finished B. will finishC. be finished D. shall be finishedBCPractice IV: Multiple choice18. His silence at the meeting suggested that he _ to your plan. A. didnt agree B. hadnt agreed C. wouldnt agree D. not agree19. The situation required that