高二虚拟语气讲练结合 ppt课件

1、虚拟语气虚拟语气 IF ALL WERE ONEIf all the apple trees were one tree, what a big tree it would be.If all the apples were one apple, what a big apple it would be.If the big apple fell off the big tree and hit Newton2, what a great pain it would be.When I was young I wished I could have been a model.But I was

2、 not tall enough, so I couldnt become a model.If I had grown taller, I would have been a model.Everyone has wishes!虚拟语气用来表示说话人虚拟语气用来表示说话人所说的话不是一个现实，所说的话不是一个现实，而只是一种愿望、假设、而只是一种愿望、假设、疑心、猜测、空想等。疑心、猜测、空想等。 英语动词有英语动词有 种语气种语气 陈说语气陈说语气 祈使语气祈使语气 虚拟语气虚拟语气三三区别:If it rains tomorrow, the crops will be saved.If

3、it rained tomorrow, the crops would be saved.陈说语气陈说语气虚拟语气虚拟语气 虚拟语气的考点虚拟语气的考点 1、条件句中的虚拟语气的用法；、条件句中的虚拟语气的用法；2、条件句中虚拟语气的倒装；、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；、名词性从句中虚拟语气的用法；4、几种特殊构造中虚拟语气的用法、几种特殊构造中虚拟语气的用法;5、虚拟语气时态的断定。、虚拟语气时态的断定。if if引导的虚拟条件句引导的虚拟条件句主从句的谓语方式主从句的谓语方式时间时间If 从句的谓语方式从句的谓语方式主句的谓语方式主句的谓语方式如今如今过去过去未

4、来未来did / werehad donewould/could/should/might +V.(原原)would/could/should/might+have+done1. did / were2. should do3. were to dowould/could/should/might + V.(原原)What would you do if you won the lottery?If I won the lottery,I wouldIf I won the lottery, I would buy an expensive car. If I had a lot of mon

5、ey, I would buy a villa.If I had a lot of money now, I would travel around the world.If it were fine now,I would go shopping.What would you do if you were the American president?If I were the American president,I wouldIf he more carefully, he the car accident yesterday.had driven would not have had

6、If I how to swim, I trapped in this island.had learnt would not have been If he got up early, he would be on timeIf I were to have a lot of money tomorrow, I would build a hope primary school.If If虚拟句的倒装虚拟句的倒装假设条件状语中有假设条件状语中有were, had, shouldwere, had, should时时, , 可以倒装成：可以倒装成：Were / Should / Had +We

7、re / Should / Had +主主+ +其他其他Were I you, Had he been there yesterday, Should it snow tomorrow, 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.假设我是他，我会再试一次。假设我是他，我会再试一次。假设他昨天在那儿的话，他就会看那假设他昨天在那儿的话，他就会看那部电影了。部

8、电影了。 假设明天下雪，我们就不出去了。假设明天下雪，我们就不出去了。虚拟语气时态的虚拟语气时态的断定断定留意留意: :假设条件从句谓语动词发生的时假设条件从句谓语动词发生的时间与主句所假设的谓语动词不一间与主句所假设的谓语动词不一致情况下的虚拟语气致情况下的虚拟语气( (混合条件句，混合条件句，这时动作的方式应根据它所表示这时动作的方式应根据它所表示的时间加以调整。的时间加以调整。 If you had asked him yesterday, you would know what to do now. 主句与从句的动作发生在不同的时间主句与从句的动作发生在不同的时间, 这时主从句位于动这

9、时主从句位于动词的虚拟语气方式因时间不同而不同词的虚拟语气方式因时间不同而不同, 这叫做混合条件句这叫做混合条件句.例句中从句与过去现实相反例句中从句与过去现实相反, 主句与如今现实相反主句与如今现实相反If the staff had been more careful, the mall would not be on fire now. 1. 假设过去天气好的话，如今庄稼长得更好了假设过去天气好的话，如今庄稼长得更好了 If the weather _finer, the crops _still better. 2.假设他听了教师的建议的话，他如今就不会在医假设他听了教师的建议的话，他

10、如今就不会在医院里了院里了 If you _ the teachers advice, you _ in the hospital. 3. 假设他身体情况好一些的话，我们本能够会让假设他身体情况好一些的话，我们本能够会让他去协助他们任务的他去协助他们任务的 If you in better health,we _ you to go there to help their work.had beencould have allowedwould be growinghad followedwouldnt bewere在动词在动词wish后的宾语从句中，表示与如今或过后的宾语从句中，表示与如今或

11、过去的现实相反，或对未来的客观愿望，从句通去的现实相反，或对未来的客观愿望，从句通常省略连词常省略连词that。1表示对如今情况的虚拟：表示对如今情况的虚拟： 从句动词用从句动词用 过去式或过去进展式过去式或过去进展式be动词普通用动词普通用were。I wish I _(be)as tall as you.wereI wish I were a bird.I wish every day _(be)my birthday.wereI wish/wished I _( not eat ) so much watermelon.hadnt eaten(2)The party was terrib

12、le, I wish I had never gone to it.3表示对未来的客观愿望：从句动词方式表示对未来的客观愿望：从句动词方式为为“would动词原形。动词原形。留意：主句的主语与从句的主语不能一样，由于主句的主语留意：主句的主语与从句的主语不能一样，由于主句的主语所期望的从句动作能否实现，取决于从句主语的态度或志愿所期望的从句动作能否实现，取决于从句主语的态度或志愿非动物名词除外。非动物名词除外。但愿他立刻来。但愿他立刻来。I wish you would come soon.I wish it would rain tomorrow.as if / as though由由as

13、if(as though) 或或even if(even though) 引导的退让状语从句中，引导的退让状语从句中，从句谓语方式为动词的过去式从句谓语方式为动词的过去式be用用were或或“had过去分词。过去分词。He behaves as if he owned the house.( But he doesnt own it or probably doesnt own it or we dont know whether he owns it or not.)He talks about Rome as though hehad been there himself.他那样对待我，好

14、似我是陌生人似的。他那样对待我，好似我是陌生人似的。He treats me as if I were a stranger.留意：假设表示的事情能够会发生，留意：假设表示的事情能够会发生，那么方式状语从句中的谓语动词可用那么方式状语从句中的谓语动词可用陈说语气。陈说语气。Even if she were here, she could not solve the problem.用在用在would rather 引导的宾语从句中引导的宾语从句中 谓语动词用谓语动词用1.过去式表如今的假设过去式表如今的假设2.had done 表过去的假设表过去的假设3.would+动词原形表未来的假设动词原

15、形表未来的假设I would rather we _ (stop) now.stoppedI would rather she _(do)that yesterday.had not done名词性从句中的虚拟名词性从句中的虚拟语气及几种虚拟语气语气及几种虚拟语气特殊句型特殊句型一坚持一坚持insist, 二命令二命令 order, command,三建议三建议 suggest, advise, propose,四要求四要求 ask,demand request, require等动词等动词 引导引导 记住记住的名词性从句动词用的名词性从句动词用should + do should + do

16、构成构成, should , should 可以省略。可以省略。 My demand is that she _ (come) to see me once a week. All of us are for the advice that the chemical works (be)closed down. He suggested that we _ (go) to for sightseeing. The proposal that we (go)out for a picnic was warmly welcomed.(should ) go(should) come(should)

17、 be(should ) go表语从句表语从句同位语从句同位语从句宾语从句宾语从句同位语从句同位语从句留意：留意： 如如suggest, insist用于其本意用于其本意“暗示、暗示、 阐明、阐明、“坚持说时，宾语从句坚持说时，宾语从句 用陈说语气。用陈说语气。1.The guard at gate insisted that everybody _(obey)the rules.2.He insisted that she_(be)seriously ill and that _(send) to hospitals at once.3.He suggested that we_(have)

18、 a meeting at once.4.His pale face suggested that he_(be) ill.obeywasbe senthavewas用在主语从句用在主语从句 (Itsthat) ( should)+动词原形动词原形 构造：构造：It is +important (necessary, natural, strange,) +that 从句从句It is a pity (a shame, no wonder) + that从句从句It is suggested (decided, ordered, demanded, required) + that从句从句例例

19、:It is necessary that we should clean the room every day.It was a pity that you be so careless.It will be suggested that she should finish her homework this afternoon. 用在定语从句中用在定语从句中 It is (high) time (that)句型中，定语从句的谓词句型中，定语从句的谓词 用过去式用过去式be用用were,或或“should+动原动原should 不能省略来表示，意为不能省略来表示，意为“如今该如今该。 例：例

20、： It is (high) time we_ (leave). left/should leave 用在表语从句、同位语从句中用在表语从句、同位语从句中作作advice , idea , order, demand, plan, proposal,suggestion, request等名词的表语从句和同位语从句，等名词的表语从句和同位语从句，其谓语动词要用虚拟语气的构造其谓语动词要用虚拟语气的构造“should +动词原形。动词原形。 例：例： We all agreed to his suggestion that we (should) go to for sightseeing.My

21、 idea is that he (should ) do exercises first. 用在用在 (要是要是就好了就好了)引导的句中引导的句中 if only + 1.过去式表如今的假设过去式表如今的假设2.had done 表过去的假设表过去的假设3.would+动词原形表未来的假设动词原形表未来的假设补充If only I _ a bird!wereIf only I _ (take) his advice!had taken 一些介词短语一些介词短语, 如如:but for(要不是要不是), without, otherwise(否那么否那么), 等表示含蓄的条件等表示含蓄的条件,

22、这时主句要用虚拟语气这时主句要用虚拟语气 Without your help, we would not have made such rapid progress. But for my brothers help, I would not have finished it on time. I had to do something more important, otherwise I might have helped.虚拟语气特例虚拟语气特例 有时为了表达需求有时为了表达需求,并不总是出现并不总是出现 if 引导引导的条件句的条件句,而经过其他手段来替代条件句而经过其他手段来替代条件

23、句.1.I was ill that day. 0therwise, I _ (take ) part in the sports meet.2.I _ (give) you more help, but I was too busy.3.A man who stopped drinking_ (be) dead in seven days.4.But for water, it _ (be) impossible to live in the desert.would have takenwould have takenmight have given would be would be 1

24、.Alan _ the party if he had gone to London. A. would have missed B. had missed C. would miss D. missed2.It was the drug，not the disease，that killed the boy.He would be still alive today if he _ that drug.A.not take B.hadnt takenC.didnt take D.shouldnt take3._the exam, he would have attended a colleg

25、e.A. If he passed B. Had he passedC. Were he passed D. If he should pass4._five minutes earlier, you could have seen them off.A. If you should arrive B. If you arriveC. Had you arrived D. Should you arrive5. Simon looks as though he never _ a square meal(吃得饱), though his parents feed him very well.

26、A. get B. getting C. got D. should get6. He is talking so much about America as if he _ there. A. had been B. were C. was D. been7. Have you ever been to ? - No, but I wish I _. A. have B. will C. do D. had8.When a pencil is partly in a glass of water, it looks as if it . A. breaks B. has broken C. were broken D. had been broken 9.(上海高考题上海高考题)It is hard for me to imagine what I would be doing today if I _ in love，at the age of seven，with the Melinda Cox Libr