黄然高二英语语法虚拟语气u3u4 完整版课件

1、Unreal conditionals虚拟语气Grammar unit3 & unit41.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：用来表示说的话不是事实，或者是不可能发生的情况，而是一种愿望，建议，假设的语气叫虚拟语气。一、虚拟语气在条件状语从句中的用法条件从句If 从句的谓语形式主句的谓语形式现在过去未来did / werehad donewould/could/should/might +V.(原)would/could/should/might+have done1. did / were2. should do 3. were to dowould/could/sh

2、ould /might + V.(原)1. If I _(have) HIV, I would know because I would feel sick.2. If I _(be) you, I would give AIDS patient a hug.与现在事实相反与过去事实相反3. If I had taken your advice, I _( not make ) a mistake.4. If he had been there, it_ ( not happen)hadwerewouldnt have madewouldnt have happened.5. If it _(

3、 rain) tomorrow, they wouldnt go for an outing.6. I think we could do it, if we _(plan) it properly.7. If we _(have) three days off , we would enjoy a very happy life.与未来事实相反should rain/ rained/ were to rainplannedhad /were to have/ should have 虚拟语气在假设条件句型注意点： 1.错综时间虚拟语气: 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

4、一致. 主句和从句的谓语动词要依照假设的时间而定。If you _（follow) my advice just now, you _(be)better now.If you _(stuty)hard before, you _(be)a college student now.had followedwould behad studiedwould be2.假设虚拟句的省略： if省略，条件从句中should, were, had三个助动词提至句首。If I were you, I would give it up.If it were not for your advice, we co

5、uldnt have got over the difficulties.Were I you, I would give it up.Were it not for your advice, we couldnt have got over the difficulties.If I had had time, I would have run round that lake again.If there should be a flood, what should we do?Had I had time, I would have run round that lake again.Sh

6、ould there be a flood, what should we do?3.含蓄虚拟语气:用介词短语代替条件句。常用的介词有 with, without, but for/ otherwise (conj.)等He was busy, otherwise he_ (come). He _(come), but he is very busy now. I should have helped him, but I _(out).Without sunlight, peoples life would be different from today.But for your help,

7、 I wouldnt have finished the work. would have come would come was out 高考链接:1. I didnt see your sister at the meeting. If she , she would have met my brother. A. has come B. did come C. came D. had come 2. When a pencil is partly in a glass of water, it looks as if it . A. breaks B. has broken C. wer

8、e broken D. had been broken 3. _ for the free tickets, I would not have gone to the films so often. A. If it is not B. Were it not C. Had it not been D. If they were notPractice4. He came late, otherwise he _ the first bus. A. caught B. would catch C. would have caught D. had caught5. You didnt let

9、me drive. If we in turn, you so tired.A. drove ; didnt get B. drove ; wouldnt getC. were driving ;wouldnt get D. had driven ; wouldnt have got 6.Without the air to hold some of the suns heat, the earth at night ,too cold for us to live.A. would be freezing cold B. will be freezing coldlyC. would be

10、frozen cold D. can freeze coldly7. for the free tickets, I wouldnt have gone to the films so often.A. If it is not B. Were it notC. Had it not been D. If they were not8 Jane walked away from the discussion. Otherwise, she something.A. had said B. said C. might say D. might have saidIf you were older

11、, I _ you to go there yesterday. A. will allow B. should allow C. would have allowed D. had allowed If he _ to the teacher attentively, he _ the answer to the problem now. A. had listened, would have known B. listened, would know C. listened, would have known D. had listened, would knowHe was very b

12、usy yesterday, otherwise he _ to the meeting. A. would come B. came C. would have come D. had comeWithout electricity human life _ quite different today. A. is B. will be C. would have been D. would beI would have come earlier, but I _ that you were waiting for me. A. didnt know B. hadnt know C. wou

13、ld have known D. havent known 1. My cat wouldnt have bitten the toy fish _ it was made of rubber.A) if she has known B) if she knewC) she should have know D) had she knownD2. _ for my illness I would have lent him a helping hand.A) Not being B) Had it not beenC) Without being D) Not having beenB3. _

14、 before we depart the day after tomorrow, we should have a wonderful dinner party.A) Had they arrived B) Would they arriveC) Were they arriving D) Were they to arriveD4. _ right now, she would get there on Sunday.A) Would she leave B) If she leaveC) Were she to leave C) If she had leftC5. Had he wor

15、ked harder, he _ the exams.A) must have got through B) would have got throughC) would get though D) could get throughB6. _ to do the work, I should do it some other day.A. If were I B. I were C. Were I D. Was ICAnswers (P 40)(1)_ (2)_(3)_ (4)_ (5)_ (6)_(7)_ (8)_ (9)_ (10)_attendedwentwould / might b

16、ewould / might seewould / could bedidhad travelledwould have to takewould not have neededtravelledWorkbook (P116)二、虚拟语气特殊句型： wish + 宾语从句现在：过去：未来：过去时 (did/were)过去完成时 (had done)would/could/might+V. I wish I _(be) a bird. (现在)I wish I _(make) such a mistake. (过去)We wish our parents _(punish) us. (未来)sh

17、ouldwerehadnt madewouldnt punish2. If only = How I wish that要是我们的父母能和我们住在一起就好了。要是我没错过火车就好了！If only our parents could live with us!If only I hadnt missed the train!If only I knew his name!If only we had followed your advice!If only I could see him again!3. would rather that 从句现在：过去：未来：I would rather

18、you _(pay) me now. (现在)I would rather you _(go) the place last week , too. (过去)Dont come. I would rather you _( come) tomorrow. (未来)S + dids+ didS+had donepaidhad gone tocame4. as if /though + 从句现在：过去：S+didS+had doneHe looks as if he _(be) drunk.They talked as if they _(be friends) for years.She lov

19、es the baby as if it _(be) her own son.It seems as if it _(be) spring.I remember the whole thing as if it _(happen) yesterday.werewerehad happenedhad been friendswere5.Its (about/high) time +that -S+ should doS+did)你该走了。我们该睡觉了。Its high time that you went.Its high time that you should go.Its time tha

20、t we went to bed.Its time that we should go to bed. 6. 表示要求，命令，建议的虚拟语气。1). 宾语从句。常见动词：一个坚持: insist两个命令: order, command 三个建议: advise, suggest, propose四个要求: demand , require, request, desire 这些动词后面的宾语从句要使用虚拟语气形式：从句中的动词 使用 sb should + do，或者将should省略。我们建议Tom去休息一下。他坚决要求我到场。国王命令囚犯明天要实施死刑。他们要求我们派他们去那儿工作。We

21、suggested that Tom (should) have a rest.He insisted that I (should) be present.The king ordered that the prisoners (should) be killed the next day.They requested that we (should) send them to work there.Janes uncle insisted _ in this hotel any longer. A. not staying B. not to stay C. that he not sta

22、y D. staying notSubjunctive Mood in Noun ClauseThe secretary suggested that they _ the men in at once. A. had brought B. should have broughtC. brought D. bringThe Jade Emperor ordered that the Monkey King _ right away. A. would be arrested B. must be arrested C. be arrested D. had to be arrested I r

23、ecommended that the student _ his composition as soon as possible. A. finishing writing B. should finish the writing C. finish writing D. finished writing 2). 主语从句。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)也要使用虚拟语气。从句中的动词形式一样。 order, advice, suggestion, proposal, demand, request, desireIts suggested that th

24、e plan (should) be carried out. My 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.主语从句 表语从句 同位语从句 It is required that you _ at six. A. will arrive B. arrive C. arrived D. would arriveIt is really strange that the

25、girl _ so early. A. has been married B. has married C. be married D. would marry 7. Its necessary /strange/ natural/ important + that sb (should)+doIt is important that we ( should ) master a foreign language.It is strange that she (should) refuse to come to the party.Its necessary that we (should)

26、study hard.It is strange that such a thing _ in your school. A. will happen B. happens C. should happen D. happenedIt is important that I _ with Mr. Williams immediately. A. speak B. spoke C. will speak D. to speak8. 意义上面有虚拟Take your money in case that you (should) need it.We hid the money lest (以免)

27、 it (should) be stolen.He works very hard for fear that he (should) fail.9. 某些简单句的固定句型： Heaven help him! God bless you! May you succeed! Long live the Peoples Republic of China!If only I _ how to operate an electronic computer as you do. A. had known B. would know C. should know D. knew He spoke in a quiet, distinct