虚拟语气PPT课件.ppt
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1、何谓何谓“语气语气”语气语气是一种是一种动词形式动词形式,表示说,表示说话人对某一话人对某一行为行为或或事情事情的的看法看法和和态态度度。英语中的语气英语中的语气英语中共有三英语中共有三种语气种语气 陈述语气陈述语气(theIndicativeMood)祈使语气祈使语气(theImperativeMood)虚拟语气虚拟语气(theSubjunctiveMood)陈述语气陈述语气:用来:用来陈述一个事实陈述一个事实,有肯,有肯定、否定、疑问或感叹等形式。定、否定、疑问或感叹等形式。Whatwillyoudoifitrainstomorrow?Iwillstayathomeifitrainstom
2、orrow.祈使语气祈使语气:用来表示请求、邀请、用来表示请求、邀请、命令、警告或劝告等。命令、警告或劝告等。虚拟语气虚拟语气虚拟语气:虚拟语气:是一种特殊的是一种特殊的动词形式动词形式。他的他的作用作用是:表示说话人所说的话是:表示说话人所说的话不是一个事实不是一个事实,而是一种假设、猜,而是一种假设、猜测、怀疑、愿望、要求、命令、建测、怀疑、愿望、要求、命令、建议等议等。Ihaveacar.我有一部车。(指现在有)我有一部车。(指现在有)Ihadacar.我有一部车。(指过去有)我有一部车。(指过去有)IwishIhadacar.但愿我有一部车。(实际没有,表但愿我有一部车。(实际没有,表
3、愿望)愿望)一、一、if条件句中的虚拟语气条件句中的虚拟语气时时 间间 If If 条件句条件句主主 句句过去过去现在现在将来将来haddone(过去完成时)(过去完成时)过去式过去式(did)beweredid/wereshould+doweretodowouldshould+havedonesthcouldmightwouldshould+dosthcouldmightwouldshould+dosthcouldmight1.1.表示与现在事实相反的假设表示与现在事实相反的假设连词连词条件从句动词条件从句动词主句动词主句动词if动词过去式动词过去式(be只用只用were的形式)的形式)sh
4、ould(would/could/might)+do(should只用于第一人称只用于第一人称)如果我有时间,我就要学习英语。如果我有时间,我就要学习英语。IfI_(have)time,I_(study)English.hadwouldstudy如果我是你,我就会买这栋房子。如果我是你,我就会买这栋房子。IfI_(be)you,I_(buy)thehouse.wereWouldbuy如果我能飞,我要飞到空中。如果我能飞,我要飞到空中。IfI_(canfly),I_(fly)inthesky.couldflywouldfly1.Iftherewerenosubjunctivemood,Engli
5、sh_mucheasier.A.willbeB.wouldhavebeenC.couldhavebeenD.wouldbe2.IfIhadsomemoney,I_thepoorboy.AhelpBwillhelpC.wouldhelpD.wouldhavehelp3.IfI_tenyearsyounger,I_outtotrymyluck.A.am,wouldgoB.was,willgoC.were,wouldgoD.were,wouldhavegone 2.2.表示与过去事实相反的假设表示与过去事实相反的假设连词连词条件从句的动词条件从句的动词主句动词主句动词ifhaddone(过去完成过去
6、完成时)时)should/would(could/might)+havedone如果我采纳了你的建议,如果我采纳了你的建议,我就不会犯这个错误了。我就不会犯这个错误了。IfI_(take)youradvice,I_(make)thismistake.hadtakenwouldnthavemade如果他当时用功学习的话,他可能就得到奖学金了。如果他当时用功学习的话,他可能就得到奖学金了。Ifhe_(study)hard,he_(win)thescholarship.Hadstudied如果昨天他见到你,他就可能问你这个问题。如果昨天他见到你,他就可能问你这个问题。Ifhe_(see)youyes
7、terday,he_(ask)youaboutit.couldhavewinhadseenWouldhaveasked1.IfIhadknownyouwerecoming,I_youattheairport.A.hadmetB.metC.wouldmeetD.wouldhavemet2.Thefire_,ifyouhadbeenmorecareful.A.wouldnotbeburningB.wouldnotburnC.wouldnothavebeenburntD.wouldnotburnt3.Ifwe_inturn,you_sotired.A.drove;didntgetB.drove;wo
8、uldntgetC.weredriving;wouldntD.haddriven;wouldnthavegotDcD3.3.与将来事实相反的假设与将来事实相反的假设连词连词条件从句动词条件从句动词主句动词主句动词if动词过去式动词过去式(did/were)should+动词原形动词原形wereto+动词原形动词原形should(would/could/might)+do即使太阳从西边出来,我也不会改变我的心意。即使太阳从西边出来,我也不会改变我的心意。Ifthesun_(raise)inthewest,I_(notchange)mymind.raised/shouldraid/weretora
9、isewouldnotchange如果明天下雨,我们将不去公园了。如果明天下雨,我们将不去公园了。Ifit_(rain)tomorrow,we_(go)tothepark.rainedwouldnotgo如果我们再有另外如果我们再有另外7天假的话,我们都会感到天假的话,我们都会感到跟高兴的。跟高兴的。Ifwe_(have)another7-dayholiday,allofus_(be)morehappierhadwouldbe1.If he _ me tomorrow,I would let him know.A.should call B.should not have been able
10、C.were not able D.are not able 2.If it _ rain this evening,I would not go to see this American film.A.would B.should C.could D.might3.If it _ to snow next week,I would not go to visit that mountain village.A.is B.be C.were D.are一、一、if条件句中的虚拟语气条件句中的虚拟语气时时 间间 If If 条件句条件句主主 句句过去过去现在现在将来将来haddone(过去完成时
11、)(过去完成时)过去式过去式(did)beweredid/wereshould+doweretodowouldshould+havedonesthcouldmightwouldshould+dosthcouldmightwouldshould+dosthcouldmight1.Ifmylawyer_herelastSaturday,he_mefromgoing.A.hadbeen;wouldhavepreventedB.hadbeen;wouldpreventC.were;wouldpreventD.were;wouldhaveprevented2.Ifmyfather_herethedaya
12、ftertomorrow,he_meatall.A.came,cantseeBcomes,couldntseeC.comes,couldnthaveseenD.came,couldntsee3.IfI_you,I_moreattentiontoEnglishidiomsandphrases.A.was;shallpayB.am;willpayC.wouldbe;wouldpayD.were;wouldpay1.如果明天下雾,我就不能开车去购物。如果明天下雾,我就不能开车去购物。2.Ifit_foggytomorrow,I_mycartogoshopping.3.2.如果我是一个男孩,我当然会去
13、参军如果我是一个男孩,我当然会去参军.4.IfI_aboy,I_certainlyjointhearmy.5.3.如果你开车更小心一点,就不会出这样的事如果你开车更小心一点,就不会出这样的事故故.6.Ifyou_yourcarmorecarefully,suchatrafficaccident_.werecouldntdrive werewould haddriven couldnthavehappened 4.错综时间条件句错综时间条件句 条件从句谓语动词发生的时间与主句所假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致,叫做设的谓语动词不一致,叫做错综时间条件错综时间条件条件句条件
14、句。主句和从句的谓语动词要主句和从句的谓语动词要根据各自所指的根据各自所指的不同时间不同时间选用适当的虚拟语气形式。选用适当的虚拟语气形式。如果你如果你昨天昨天与他交谈一下,你就知道与他交谈一下,你就知道现在现在该做什么了。该做什么了。Ifyouhadspokentohimyesterday,youwouldknowwhattodonow.如果你(那时)听从我的建议的话,现在就不如果你(那时)听从我的建议的话,现在就不会有事了。会有事了。(从句从句说的是说的是过去的事情过去的事情,而,而主主句句说的是说的是现在的事情现在的事情)Ifyou_(follow)thedoctorsadvice,yo
15、u_(be)allrightnow.如果气候再好些,庄稼会长的更好。如果气候再好些,庄稼会长的更好。Iftheweather_(be)finer,thecrops_(be)growingstillbetter.hadfollowedwouldbehadbeenwouldbe1.Ifyou_themedicine,you_betternow.A.took;wouldfeelB.hadtaken;feltC.hadtaken;wouldfeelD.took;wouldhavefelt2.Ifyouwereolder,I_youtogothereyesterday.A.willallowB.shou
16、ldallowC.wouldhaveallowedD.hadallowed3.Ifwehadknownthatshehadplannedtogoabroadtoday,we_attheairport.A.willseeheroffB.haveseenheroffC.wouldseeheroffD.hadseenheroff4.-Ishefeelinganybetter?-No,ifhehadfollowedthedoctorsadvice,he_quiteallrightnow.A.willhavebeenB.wouldhavebeenC.wouldbeD.willbe5.5.条件句中虚拟语气
17、的倒装条件句中虚拟语气的倒装;条件从句中含有条件从句中含有should,were,had三个助三个助动词动词,并且条件句在句子前面,可以把并且条件句在句子前面,可以把if省省略,然后把相应助动词提到句首。略,然后把相应助动词提到句首。IfIwereyou,Iwouldgiveitup.WereIyou,Iwouldgiveitup.IfIhadhadtime,Iwouldhaverunroundthatlakeagain.HadIhadtime,Iwouldhaverunroundthatlakeagain.1.Ifthereshouldbeaflood,whatshouldwedo?_afl
18、ood,whatshouldwedo?2.IfIhadhadtime,Iwouldhaverunroundthatlakeagain._Iwouldhaverunroundthatlakeagain.3.IfIhadtakenmyumbrellawithmewhenIcameoutthismorning,Ishouldnotbewetnow._myumbrellawithmewhenIcameoutthismorning,Ishouldnotbewetnow.Should there beHadIhadtimeHadItaken1.HadIknownhername,_A.ordoesshekn
19、owmine?B.andwheredoesshelive?C.shewouldbebeautiful.D.Iwouldhaveinvitedhertolunch.9.Hadyoulistenedtothedoctor,you_allrightnow.A.areB.wereC.wouldbeD.wouldhavebeen2._yourofferofriceandvegetables,wewouldhavegonehungry.A.IfithasntbeenforB.WithC.HasitnotbeenforD.Haditnotbeenfor注:注:并不是所有的并不是所有的if引导的条件句都用虚拟
20、引导的条件句都用虚拟语气。语气。当当if引导的条件句的假设引导的条件句的假设非常可能实现时非常可能实现时,就不用虚拟语气,这种条件句叫做就不用虚拟语气,这种条件句叫做“真实真实条件句条件句”。Ifthetemperature(温度温度)isupto100,thewaterwillboil.Itisraining.Ifwegoout,wellgetwet.Hurryup!Ifwedonthurry,wellbelate.Ifhecomes,tellhimtowait.需要用虚拟的条件句,叫做需要用虚拟的条件句,叫做“虚拟条件句虚拟条件句”。1.Thevolleyballmatchwillbepu
21、toff,ifit_.A.willrainB.rainsC.rainedD.israined2.-Wouldyouhavecalledherup,_possible?-Yes,butI_busydoingmyhomework.A.ithadbeenwasB.ifitwaswereC.ifithadbeenhadbeenD.ifitwerewouldbeBA6.6.含蓄虚拟条件句含蓄虚拟条件句有时假设的情况有时假设的情况并不以并不以ifif引导的条件句的形引导的条件句的形式表现出来式表现出来。而是通过一个。而是通过一个介词短语或其他介词短语或其他方式方式表现出来,这叫做表现出来,这叫做含蓄虚拟语
22、气条件句含蓄虚拟语气条件句。without,with,but for(without,with,but for(要不是要不是),),underundereg.eg.Without your helpWithout your help(=if we had no(=if we had no had your help),we could not have had your help),we could not have succeeded.succeeded.如果没有你的帮助如果没有你的帮助,我们是不会成功的。,我们是不会成功的。eg.Withbetterequipment(=Ifwehadha
23、dbetterequipment),wecouldhavedoneitbetter.如果又跟好的设备如果又跟好的设备,我们也许会做的更好。,我们也许会做的更好。eg.Butforelectricity(=iftherewerenoelectricity),therewouldbenomodernindustry.要是没有电要是没有电,就不会有现代工业。就不会有现代工业。eg.Undersuchcircumstances,Iwouldhavedonethesame.在这样的情况下,在这样的情况下,我也会做同样的事情。我也会做同样的事情。二、名词性从句中的虚拟语气二、名词性从句中的虚拟语气主语从句
24、,宾语从句,主语从句,宾语从句,表语从句,同位语从句表语从句,同位语从句1.主语从句中的虚拟语气主语从句中的虚拟语气(should+do)句型句型1.Itis+adj.+that引导的主语从句引导的主语从句此句型中此句型中adj.指的是形容指的是形容事情重要性,令人吃事情重要性,令人吃惊,失望惊,失望的形容词。如:的形容词。如:important,essential(紧要的紧要的),vital(极其重要极其重要的的)urgent(紧迫的紧迫的),imperative(迫切的),迫切的),necessary,appropriate(适当的适当的),advisable(合理的合理的),natura
25、l,proper(合适的合适的),strange重要的是你一定要吃药。重要的是你一定要吃药。Itisimportantthatyou_(take)themedicine.他有必要参加这次考试。他有必要参加这次考试。Itisnecessarythathe_(take)the exam.她竟然嫁给了这种人,真奇怪她竟然嫁给了这种人,真奇怪/令人惊奇令人惊奇/令人令人失望。失望。Itisstrange(surprising,disappointing)thatsheshouldmarrysuchaman.(should)take(should)take句型句型2:Itisapity/shametha
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