虚拟语气课件PPT课件精选课件.ppt

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1、关于虚拟语气课件PPT第一页，本课件共有40页Would you mind if I opened the door?I wish I had not done that.第二页，本课件共有40页语气语气英英语语的的动动词词一一般般可可带带有有三三种种不不同同的的语语气气：陈陈述述语语气气，祈祈使使语语气气和和虚虚拟拟语语气气。不不同同的的语语气气用用动动词词的的不不同同形形式式（有有的的还还借借助句法形式）来表示。助句法形式）来表示。第三页，本课件共有40页虚拟语气虚拟语气虚拟语气是一种特殊的动词形式，虚拟语气是一种特殊的动词形式，一一是是用用来来表表示示说说话话人人所所说说的的话话不不是是

2、一一个个事事实实，而而是是一一种种假假设设、猜猜测测、怀怀疑疑等等(常常用用在在条条件件状状语语从从句句中中或或让让步步状状语语从从句句中中)；一一是是表表示示说说话话人人的的愿愿望望、要要求求、命命令令、建建议议等等(常常用用在在名词性从句中名词性从句中)。简简言言之之，即即：不不是是事事实实或或不不大大可可能能发发生生的的事事情情，就就用用虚虚拟语气来表述拟语气来表述虚拟语气的概念虚拟语气的概念第四页，本课件共有40页用所给动词的适当形式填空用所给动词的适当形式填空1.He suggested we _(start)off early the next day.2.Its high tim

3、e you _ (go)there.3.She made the demand that she _(leave)at once.4.How I wish I _(be)a bird and could fly freely in the sky!5.I would rather you _(pay)me now.6.We insisted they _(not be)present at such meeting.7.If only I _(have)an apartment of my own now!8.John pretends as if he _(not know)the thin

4、g at all,but in fact he knows it well.shouldstartwent/shouldgoshouldleavewerepaidshouldnotbehaddidnotknow第五页，本课件共有40页 1.should+动词原形的结构动词原形的结构 表示命令、要求、建议等意义的词有关的表示命令、要求、建议等意义的词有关的名词性从句名词性从句要使用虚拟要使用虚拟语气语气，即从句中的动词使用即从句中的动词使用should+动词原形，或者将动词原形，或者将should省略。省略。常见动词：常见动词：一个坚持：一个坚持：insist；两个命令：两个命令：order,c

5、ommand 三个建议：三个建议：advise,suggest,propose 四个要求：四个要求：demand,require,request,ask 第六页，本课件共有40页ExerciseHer pale face suggested that she should be ill.So I suggested that she should be sent to the hospital,but she insisted that she should not be ill._ was_ was not注意：注意：如如suggest,insist不表示不表示建议建议 或或坚持要某人做某事

6、时坚持要某人做某事时，即它们用于其本意，即它们用于其本意暗示、表明暗示、表明、坚持认为坚持认为时，宾语时，宾语从句用陈述语气。从句用陈述语气。第七页，本课件共有40页2.几种特殊结构中虚拟语气的用法几种特殊结构中虚拟语气的用法1）wish/If only +从句从句现在：现在：过去：过去：未来：未来：would/could/might+V.2）as if/though +从句从句过去完成时过去完成时过去时过去时现在：过去：过去时过去时(did/were)过去完成时过去完成时(had done)第八页，本课件共有40页3）would rather that-现在现在/未来未来:过去：过去：过去时

7、过去完成时4)Its high time+that-should+V.过去时过去时5)Would you mind if-过去时过去时第九页，本课件共有40页a.if真实条件句真实条件句 表示条件是表示条件是真的或真的或有可能实现的有可能实现的,采用采用陈述语气陈述语气。b.if虚拟条件句虚拟条件句 表示条件是表示条件是虚拟的或虚拟的或几乎无法实现的几乎无法实现的,采用采用虚拟语气虚拟语气。第十页，本课件共有40页If we have chances,we can have further cooperation.第十一页，本课件共有40页If I have another chance,I

8、will visit China again.第十二页，本课件共有40页if if真实条件句用于真实条件句用于陈述语气陈述语气,假设的情况很假设的情况很有可能发生有可能发生,其中其中if if是是“如果如果”的意思的意思if条件从句条件从句一般现在时一般现在时 主句主句will shall+动词原形动词原形情态动词情态动词+动词原形动词原形第十三页，本课件共有40页What will you do if it rains tomorrow?I will sleep at home if it rains tomorrow.第十四页，本课件共有40页if虚拟条件句虚拟条件句 表示条件是表示条件是

9、虚拟的或几乎虚拟的或几乎无法实现的无法实现的,采用采用虚拟语气虚拟语气。第十五页，本课件共有40页 if 引导的虚拟条件句引导的虚拟条件句与与现在现在事实相反事实相反与与过去过去事实相反事实相反与与将来将来事实可能相反事实可能相反第十六页，本课件共有40页If I had a great deal of money,I would buy a villa(别墅别墅)for my parents.与与现在现在事实相反事实相反第十七页，本课件共有40页IfIweretheschoolmasterofHuiminNo.1Middleschool,Iwouldletthestudentsgetupal

10、ittlelatertogetabettersleep.与与现在现在事实相反事实相反在此处插入图片第十八页，本课件共有40页 ifif虚拟条件句虚拟条件句 动词的过去式动词的过去式（be动词一般用动词一般用were)would(should/might/could)动词动词原形原形1.If I had a great deal of money,I would buy a villa(别墅别墅)for my parents.2.If I were the schoolmaster of Huimin No.1 Middle school,I would let the students get

11、 up a little later to get a better sleep.第十九页，本课件共有40页If the young man had driven more carefully,he would not have caused the car accident in May,2009.与与过去过去事实相反事实相反第二十页，本课件共有40页If Tom had learnt how to swim,he would not have been trapped on that island for four years.与与过去过去事实相反事实相反第二十一页，本课件共有40页If

12、he had got up earlier,he could have caught the train.与与过去过去事实相反事实相反第二十二页，本课件共有40页 ifif虚拟条件句虚拟条件句had+动词的过去分词动词的过去分词1.If the yong man had driven more carefully,he would not have caused the car accident in May,2009.2.If Tom had learnt how to swim,he would not have been trapped on that island for four y

13、ears.3.If he had got up earlier earlier,he could have caught the train.would(should/might/could)have done第二十三页，本课件共有40页If I met Obama some day,I would shake hands with him.If I were to meet Obama some day,If I should meet Obama some day,与与将将来来事事实实相相反反第二十四页，本课件共有40页 ifif虚拟条件句虚拟条件句1、动词过去式动词过去式2、were t

14、o+动词原形动词原形3、should+动词原形动词原形would(should/might/could)动词动词原形原形 If I met/were to meet/should meet Obama some day,I would shake hands with him.第二十五页，本课件共有40页 总结：if虚拟条件句虚拟条件句1、动词过去式动词过去式2、were to+动词原形动词原形3、should+动词原形动词原形 动词的过去式动词的过去式（be动词一般用动词一般用were)would(should/might/could)动词原形动词原形had+动词的过去分词动词的过去分词 w

15、ould(should/might/could)have donewould(should/might/could)动词原形动词原形（4+1）第二十六页，本课件共有40页Exercises1.If everyone _(know)first aid,many lives would be saved.2.If I had taken money with me yesterday,I _(repair)my watch.3.If you_ (come)tomorrow,I would go fishing with you.knewwouldhaverepairedcame/shouldcom

16、e/weretocome第二十七页，本课件共有40页1.If my father _ here now,he _ tell me what to do.A.were;would B.was;will C.had been;would D.is;will2.You didnt let me drive.If we_ in turn,you _ so tired.A.drovedidnt get B.had drivenwouldnt have got C.drovewouldnt get D.were drivingwouldnt get Exercise AB第二十八页，本课件共有40页3.I

17、f it _ rain tomorrow,we would have to put off the visit to the Yangpu Bridge.A.Were B.Should C.Would D.Will4.-Would you have called her up _ possible then?-Yes,but I _ busy doing my homework.A.had it been was B.if it was were C.if it had been had been D.if it were would beBA第二十九页，本课件共有40页 Exercise 5

18、.-It rained cats and dogs this morning.Im glad we took an umbrella.-Yeah,we would have got wet all over if we _.A.hadnt B.havent C.didnt D.dont6.You didnt take my advice,so you failed in the exam.（改为虚拟语气）（改为虚拟语气）AIf you had taken my advice,you wouldnt have failed in the exam.第三十页，本课件共有40页7.If the Un

19、ited States had built more homes for poor people in 1955，the housing problems now in some parts of this country _ so serious.A.wouldnt be B.will not have beenC.wouldnt have been D.would have not beenExercise nowin 1955A第三十一页，本课件共有40页1.1.错综时间条件句错综时间条件句1、If+主语主语+动词过去式动词过去式2、If+主语主语+were to+动词原形动词原形3、I

20、f+主语主语+should+动词原形动词原形If+主语主语+动词的过去式动词的过去式（be动词一般用动词一般用were)主语主语+would(should/might/could)动词原形动词原形即：即：If+一般过去时态一般过去时态（be动词一般用动词一般用were)If+主语主语+had+动词的过去分词动词的过去分词即：即：If+过去完成时态过去完成时态主语主语+would(should/might/could)have done主语主语+would(should/might/could)动动词原形词原形错综时间条件句错综时间条件句错综时间条件句错综时间条件句（4+1）第三十二页，本课件共

21、有40页 错综时间虚拟条件句错综时间虚拟条件句即：即：if虚拟条件句与主句的时间不一致。虚拟条件句与主句的时间不一致。1).If you had followed my advice,you would be able to finish the work now.如果你当时听了我的话，现在就能完成这份工作了。如果你当时听了我的话，现在就能完成这份工作了。（从句说明过去，主句说明现在。）从句说明过去，主句说明现在。）3).If you hadnt lent me some money,I couldnt have bought the new house and I would be stil

22、l living in the dangerous house now.假若你不借钱给我，我不可能买下这幢新房，很可能现在还住在危房里。假若你不借钱给我，我不可能买下这幢新房，很可能现在还住在危房里。（从句说明过去，主句说明过去和现在。）（从句说明过去，主句说明过去和现在。）第三十三页，本课件共有40页Exercises1.If you (ask)Tom yesterday,you_(know)what to do now.2.It is hard for me to imagine what I would be doing today if I _ in love with the lib

23、rary in my hometown at the age of seven.A.wouldnt have fallen B.had not fallen C.should fall D.were to fall3.He would be a good sportsman now if he trained regularly.(改错）改错）hadaskedwouldknowBhad第三十四页，本课件共有40页1.Whatdoesthewomenthinkhappen?A.ThatthemanwillnotbeabletosleepB.Thatsomeonewillenterthebackd

24、oorwhilethemanissleepingC.Thatthelockonthedoorwillbreak2.Whatistheproblem?A.Themancantdrive.B.Thepartyisover.C.Theyarelost.BC第三十五页，本课件共有40页text1W:If Iwere you,Id be more careful aboutlockingthebackdooratnight.M:Dontworry,noonewillbreakin.text2W:If youhad listened to me,wed be at theparty.Moveover.Il

25、ldrive.M:IwassureIknewthewaythere.Illturnaround.第三十六页，本课件共有40页阅读理解阅读理解The The soldiers soldiers had had been been marchingmarching（行行走走）up up and and down down in in the the square square for for an an hour hour while while their their officer officer shouted shouted orders,and they were all tired,h

26、ot and unhappy.orders,and they were all tired,hot and unhappy.They They were were marching marching towards towards a a big big building building when when they they suddenly suddenly realized realized that that the the officer officer had had not not left left himself himself enough enough time tim

27、e to to give give the the order order to to turn turn round round or or to to stop,so stop,so they they were were going going to to match match straight straight into into the the wall.wall.The The soldiers soldiers smiled smiled happily happily as as each each of of those those in in the the front

28、front line line decided decided at at the the same same time time to to walk walk straight straight ahead.ahead.There There was was aloud aloud noise noise as as they they hit the wall one after another.hit the wall one after another.But But before before any any of of them them had had time time to

29、 to smile smile again,the again,the officer officer shouted,If shouted,If you you men men had had been been in in a a really really straight straight line,I line,I would would have have heard heard only only one one sound sound when when you hit the wall.you hit the wall.第三十七页，本课件共有40页1.The officer

30、didnt change his order because _.A.he was looking in another directionB.he was angry with his soldiers and wanted to punish themC.it was too late for him to give another orderD.he wanted to test the soldiers sense of discipline(纪律意识纪律意识).2.When he shouted,If your men had been in a really straight li

31、ne,I would have heard only one sound when you hit that wall,the officer _.A.was,in fact,making an excuse for himselfB.was telling the soldiers that they hadnt obeyed his order strictlyC.was warning them not to drill so carelesslyD.was making fun of themCA第三十八页，本课件共有40页虚拟语气用于条件状语从句虚拟语气用于条件状语从句had donewould should +have done sthcouldmight助动词助动词 be用用 were 实义动词实义动词 do 用用 didwould should +do sthcouldmightdid/were should dowere to dowould should +do sthcouldMight第三十九页，本课件共有40页感谢大家观看第四十页，本课件共有40页