高考英语复习北师大版《虚拟语气》 课件 ）(共37张PPT).ppt

1、If I were the president of a university I should establish a compulsory（必修的）course in How to Use Your Eyes.The professor would try to show his pupils how they could add joy to their lives by really seeing what passes unnoticed before them.-THEEE DAYS TO SEEDefinition虚拟语气：虚拟语气用来表示说话人的主观愿望或假想，而不表示客观存在

2、的事实，所说的是一个条件，不一定是事实，或与事实相反。I wish I were a bird.If I were you,I would take his advice.(You cant become a bird)(You cant become another person)虚拟语气在高中英语中的运用1.在状语从句中的运用2.在名词性从句中的运用3.几种特殊结构中的虚拟语气的运用If 条件状语从句中的虚拟语气wish宾语从句中的虚拟语气if引导的条件句的虚拟语气（1）If引导的真实条件句和虚拟语气的区分If I become president,Ill make all of my p

3、eople live a happy life.(竞选总统的候选人这样说)If I became president,I would make all of my people live a happy life.(一个小学生这样说)区分方法：1.假设情况的可能性。2.句子中谓语动词的形式。真实条件句：主将从现If I knew his telephone number,I could tell you.If they had time,they would study French,too.与现在事实相反的情况If he had known your address yesterday,he

4、 might have telephoned you.If I had left a little earlier,I would have caught the train.与过去事实相反If it rained tomorrow,we would put off the sports meeting.If you were to rain tomorrow,we would put off the sports meeting.If it should rain tomorrow,we would put off the sports meeting.与将来相反的情况（2）if引导的虚拟语

5、气的用法结构If从句主句与现在相反did（be动词用were）would/should/could/might+do与过去相反had donewould/should/could/might+havedone与将来相反did（be动词用were）were to+doshould+dowould/should/could/might+doPlay A Little Quiz!IF I WERE JACK 1.If I were Jack,I _(努力工作),2.If I _(努力工作），I_(有钱)，3.If I _(有钱），I _(有船票），4.If I _(有船票），I _(登上Titani

6、c），5.If I _(登上Titanic），I _(遇上Rose)would work hardworked hardcould have moneyhad moneywould have the tickethad the ticketcould board the Titanicboarded the titanicwould meet RoseTranslate the sentences into English如果我是我会选择湖人队。If I were Yao Ming,I would select the Lakers.如果当初听妈妈的话的话，我就不会伤了她的心了。If I ha

7、d listened to my mom,I couldnt have hurt her heart.如果我们再不保护好环境的话，那么未来我们的家园将变成沙漠。If we didnt protect the environment,our homeland would become a desert in the future.如果你当初努力学习的话，你现在就会是大学生了。If you had studied hard before,you would be a college student now.错综时间条件句Definition(3)错综时间条件句：当条件状语从句表示的行为和主句表示的

8、行为所发生的时间不一致时，被称为错综时间条件句。主句和从句的动词要根据它所表示的时间做出相应的调整。e.g.:1.如果你听我的建议的话，那你现在的身体会更好。If you had followed my advice,you would be better now.2.如果我是你的话，我当初就会去找份工作。If I were you,I would have found a job.对过去虚拟对现在虚拟对现在的虚拟对过去的虚拟Were I to do the work,I should do it with my group.If I were to do the work,I should

9、do it with my group.Attention!(4)在if引导的条件句中，如果从句中含有were，had（助动词），should时，我们可以省略if，把were，had，should置于句首，构成虚拟语气的倒装句。If I were Yao Ming,I would select the LakersIf he had known your address yesterday,he would have telephoned you.If it should rain tomorrow，we would put off the sports meeting.Were I Yao

10、Ming,I would select the Lakers.Had he known your address yesterday,he would have telephoned you.Should it rain tomorrow,we would put off the sports meeting.（5）但是有时虚拟语气的条件句不用if引导，而用without,but for,otherwise（or）和if only等词构成含蓄虚拟语气。其中without，but for和otherwise后谓语动词的虚拟用法和if条件句的主句一致。而if only后的谓语形式却和if的从句一致

11、。1.Without water,there would be no life.If there were no water,there would be no life.2.But for your encouragement,I would have failed.If it had not been your encouragement,I would have failed.3.I was too busy at that time,otherwise,I would have called you.If I had not been too busy at that time,I w

12、ould have called you.4.If only I could help you!If only I had taken his advice!If 条件句的虚拟语气1.If条件句中真实条件句与虚拟条件句的区分2.If引导的虚拟语气的结构3.If条件句中的错综时间条件句的虚拟语气4.虚拟语气的倒装5.含蓄虚拟语气Listen to a song from a 15 years old boy-Declan Galbraith and write down the sentences of“wish”.An AngelDeclan GalbraithI wish I had you

13、r pair of wingsHad them last in my dreamsI was chaising butterfliesTill the sunrise broke my eyesTonight the sky has glued my eyesCause what they sees an angel hive,Ive got to touch that magic star.And greet the angels in their hiveSometimes I wish I were an angelSometimes I wish I were you(repeat)A

14、nd all the sweet honey from abovePour it all over me sweet loveAnd while youre flying around my headYour honey kisses keep me fedI wish I had your pair of wingsJust like last night in my dreamsI was lost in paradiseWish Id never opened my eyesSometimes I wish I were an angelSometimes I wish I were y

15、ou(repeat)But theres danger in the airTryin so hard to be unfairDangers in the airTryin so hard to give us a scareBut were not afraid(repeat)wish引导的宾语从句的虚拟语气1表示与现在事实相反的愿望wish从句中的谓语用过去时did(be动词用were）虚拟语气用在wish后的宾语从句中,（常常省去that），表示不可能实现的愿望。例如：I wish I had your pair of wings.I wish I were you.2表示与过去事实相

16、反的愿望wish从句中的谓语用had done例如：I wish that you had come yesterday.I wish I hadnt lost the chance.3表示将来不大可能实现的愿望wish从句的谓语用would/should/could/might +原形动词do例如：I wish that someday I should live on the moon.虚拟语气一.虚拟语气的定义:主观意愿或无法实现的事二.虚拟语气的运用1.if引导的虚拟语气2.wish引导的虚拟语气（1）真实条件句与虚拟语气的区分（2）If虚拟语气的结构（3）错综时间虚拟语气（4）倒装用

17、法Summary and Review(5)含蓄虚拟语气一单项选择1._ it _ for your help,I couldnt have made any progress.A.Had;not been B.Should;not be C.Did;not be D.Not;be2.If I had met her five years ago,she_ my wife today.A.will be B.would have been C.would be D.is3.If he_ the lessons last night,he would be able to answer most

18、 of the questions now.A.reviewed B.have reviewed C.had reviewed D have been reviewing4.-did you meet with the two famous space heroes?-If only I _ here earlier!A.had come B.come C.came D.would come 5.I wish it _ spring all the year round.A.will be B.were C.be D.is6.I_ through that bitter period without your generous help.A.couldnt have gone B.didnt goC.wouldnt go D.hadnt gone