高考虚拟语气--If 条件从句中的虚拟语气

1、If 条件从句的 虚拟语气,真实条件句： 如果假设的情况很可能发生，就用真实条件句。,1. If he has time, he will come.,如果他有时间，他会来。,2. If you havent finished your homework, you can hand it tomorrow.,如果你还未完成你的家庭作业，你可以明天再交。,If 条件从句的 虚拟语气,虚拟条件句： 如果假设的情况发生的可能性不大，则用虚拟条件句。虚拟条件句分三种：,第一种：,例句：,1.If I had lots of money, I would go travelling.,2.If he w

2、ere here now, we would have the meeting.,例题：,1.Sorry, I am too busy now. If I _ time, I would help you do the housework. A.have had B. had had C.have D.had,D,2.If I had enough money, I _ a new car. A.would buy B. would have bought C.buy D.bought,A,3.If I _ you, I would go to bed early. A.was B. were

3、 C.am D.be,B,4.If I _ (be)her, I _ (take) the advice.,were,would take,4.If I _ (have)a chance to try it, I _ (do) it by myself.,had,would do,If 条件从句的 虚拟语气,虚拟条件句： 如果假设的情况发生的可能性不大，则用虚拟条件句。虚拟条件句分三种：,第二种：,1.If it were to rain tomorrow, the meeting would be put off.,例句：,2.If there should be a flood, what

4、 should we do?,例题：,1.Bill doesnt want to move to New York because he thinks if he _ there, he wouldnt see his parents very often. A.lives B. would live C.has lived D.were to live,D,例题：,D,2.If it _ tomorrow, what would we do? A.rains B. were to rain C.would rain D.rain,B,3.The fine weather will last

5、for a few days, but what if it _ tomorrow? A.should snow B. would snow C.snow D.will snow,A,4.If it _ (snow)tomorrow, I _ (stay) at home.,were to snow,would stay,If 条件从句的 虚拟语气,虚拟条件句： 如果假设的情况发生的可能性不大，则用虚拟条件句。虚拟条件句分三种：,第三种：,例句：,1.If had taken my advice, you would have won the game.,2.If the weather ha

6、d been fine yesterday, we would have gone to have a picnic.,3.If he had known the facts, he could have told us what to do.,1.IfI_wherehelived, I _ a note to him.,例题：,B,A.knew, would B. had known, would have sent C.know, would send D.knew, would have sent,2.Youdidnttakehisadvice._hisadvice,you_sucham

7、istake.,A.Had you taken, wouldnthavemade B.Ifyouhadtaken，wouldmake C.Wereyoutotake，shouldnthavemade D.Haveyoutaken，wonthavemade,A,3.Thatisagoodbook.You_ityesterday.,例题：,C,A.couldbuy B.shouldbuy C.shouldhavebought D.bought,4.Ididntseeyoursisteratthemeeting.Ifshe_, shewouldhavemetmybrother.,A.hascome

8、B.didcome C.came D.hadcome,D,5. If he_， he _ that food. - Luckily he was sent to the hospital immediately.,A. was warned， would not take B. had been warned， would not have taken C. would be warned， had not taken D. would have been warned， had not taken,有关虚拟条件句的几种情况： （1）. 条件从句中的谓语部分有were, should和had时

9、，if有时可以省略，这时从句要用倒装语序。,If 条件从句的 虚拟语气,例句：,1. Were I you, I would go with them.,注意： if werent for./ if it hadnt been for. 相当于but for.意为“多亏了. 要不是.” 这两个句型倒装时not 总是在it之后，即were it not for./had it not been for.,2. Should I have time, I would help her.,3. Had it not been for his help, I wouldnt have succeed.

10、,1.Had they known what was coming next, they _ second thoughts.,练习：,D,A.may have B. could have C.must have had D. might have had,2.Were I to do it， I _ it some other way.,A. will do B. would do C. would have done D. were to do,B,3. _ it_ for your help，I couldnt have made any progress,AHad；not been C

11、Did；not been BShould；not been DNot；be,A,1.I didnt know his telephone number. _ it， I _ then.,练习：,D,A. Had I known， would ring him up B. Should I know， would have rung him up C. If I knew； would ring him up D. Had I known； would have rung him up,2.Were I to do it， I _ it some other way.,A. will do B.

12、 would do C. would have done D. were to do,B,有关虚拟条件句的几种情况： （2）. 有些条件从句中的主句谓语和从句谓语表示的动作在时间上并不一致，这类句子称为错综时间条件句,If 条件从句的 虚拟语气,例句：,1. If youd listened to me, you wouldnt be in such trouble now.（过去现在）,4. If she should arrive today, she must have started three days ago. （将来过去）,2. If I were you, I wouldnt

13、have missed the movie last night.（现在过去）,3. If they had left home early, they would arrive in half an hour. （过去将来）,1. If they _ earlier than expected， they _ here now.,练习：,A,A. had started,would be B. started， might be C. had started.would have been D. will start,might have been,2.If you _ that late

14、movie last night, you would not be so sleepy now.,A. havent watched B. didnt watch C. wouldnt have watched D. hadnt watched,D,有关虚拟条件句的几种情况： （3）. 有时虚拟语气的条件是通过词或短语表现出来,If 条件从句的 虚拟语气,例句：,1. There wouldnt be such modern industry without electricity. （= if there werent electricity）,4. Given more time（ If

15、 we were given more time）, we would do it better.,2. He is ill. Otherwise （If he werent ill）he could come.,3. A gentleman（If he had been a gentleman he）wouldnt have said so.,without（没有）, otherwise（否则）, but for（要不是）,5. But for your help, I wouldnt have finished the work.,1. We lost our way in that sm

16、all village, otherwise we _ more places of interest yesterday.,练习：,D,A. visited B. had visited C. would visit D. would have visited,2.Without your help， we_ so much.,A. wont achieve B. didnt achieve C. dont achieve D. wouldnt have achieved,D,3. Without electricity， human life _ quite different today

17、.,A. is B. will be C. would have been D. would be ,D,1. I didnt know his telephone number, otherwise I _ him.,练习：,C,A. had telephoned B. would telephone C. would have telephoned D. telephone,2.Without air, there_ no living things.,A. will be B. can be C. would be D. shall be,C,3.But for water，it _ p

18、ossible to live in the desert,AisBwasCwereDwouldnt be,D,有关虚拟条件句的几种情况： （4）. 有些句子虽不含条件从句，但仍用虚拟语气，这种句子称为含蓄条件句。,If 条件从句的 虚拟语气,例句：,1. I would do anything for her. 我愿意为她做任何事情,2. You might have failed. 你也许会失败,3. We could have won the game. 我们本来可以赢得那场游戏,有关虚拟条件句的几种情况： （5）. If only (要是就好了) (等同于wish从句用法)。,If 条

19、件从句的 虚拟语气,例句：,1. If only I knew his name! 要是我知道他的名字就好了,2. If only we had followed your advice! 要是我们听取你的意见就好了,3. If only I could see him again! 要是我能再见他一面就好了,1. If only I _ to the lecture！,练习：,D,A. listen B. will listen C. am listening D. had listened,2.If only I _ my car！,Ahadnt lost Bwould not lose

20、Cdidnt lose Dhavent lost,A,3.Look at the terrible situation I am in! If only I_ your advice,A follow B would follow C had followed D have followed,C,as if / though虚拟语气,例句：,1. She loves the baby as if he were her own son. 她爱这个宝宝就好像这是她自己的儿子,2. They talked as if they had been friends for years. 他们讨论的就好像他们已经是多年的老朋友,3. She speaks Engli