初中英语虚拟语气讲解.ppt

,虚拟语气,第13讲,虚拟语气是通过特殊的谓语动词形式来表达愿望、假设、怀疑、猜测、或建议等语气。eg:Longlivethepeople!人民万岁！Mayyousucceed!祝你成功！Mayyoubehappyallyourlife!祝你一生幸福！,虚拟语气的定义,1.虚拟语气主要是用在if引导的虚拟条件从句中，表示根本不存在的情况或与现实情况相反的，或实现的可能性很小的假设。,(1)与现在事实相反,过去式(be用were),should/would/might/could+动词原形,eg:Iftheweathrerwerefine,theywouldgoforaswim.,如果天气好，他们就去游泳了。(事实上天气不好),eg:Ifwehadtimenow,weshouldreaditagain.,要是现在有空，我们就把它看一遍。(事实现在没有空),(2)与过去事实相反,had+过去分词,should/would/could/might+have+过去分词,eg:IfIhadtakenhisadvice,Ishouldnothavemadesuchamistake.,如果我听了他的忠告,就不会犯这样的错误了。,（事实上当初我没有听他的忠告）,(3)对将来情况的主观推测,过去式(be用were)b.should/动词原形c.wereto+动词原形,should/would/could/might+动词原形,eg:Ifyoudroppedtheglass,itwouldbreak.,杯子摔下来会打碎的。(事实上不会摔下来),eg:Ifsheshouldcome,Iwouldaskherforhelp.,要是她会来的话，我就请她帮忙。(事实上她来的可能性很小),(1).虚拟语气用在wish或asif后面的方式状语从句中。,IwishIwereasoldier.但愿我是个战士。（与现在事实相反）,Hewishedhehadntsaidit.(过去事实相反),他但愿没有说过那句话。,HewishedIwouldhelphim.(将来相反),他希望我帮助他。,(2).虚拟语气用在表示建议、命令等的名词性从句中或demand,suggest,order,insist,propose等动词引导的从句中谓语动词的形式是“should+动词原形”或只用动词原形表示虚拟语气。,Sheinsistedthatshe(should)goalone.,她坚持独自去。,eg:TheChairmanproposedthatwe(should)notdiscussthequestion.,主席提议我们不要讨论这个问题。,Hesuggestedthatwe(should)putthematchoff.,他建议我们延期比赛。,(3).虚拟语气用在Itstimethat结构中,表示“该干某事了”,含建议的意思，用动词过去式。,eg:Itstime(that)wewenttobed.,咱们该睡觉了。,(4).虚拟语气用在wouldrather后面的从句中,表示“希望”,与将来或现在事实相反,动词用过去式;与过去事实相反动词用过去完成时。,IdratherIhadseenthisfilm.,我真希望我看过这部电影。,1.IfIwereyou,Istopthemfromswimmingintheriver.willB.wouldC.mustD.can2.Ifit,wewouldntstayindoors.A.isntrainingB.doesntrainC.wouldntrainD.rain3.Whatwouldyoudoifyouinhisplace?areB.wereC.wouldD.willbe4.Ifshehadworkedharder,she.A.wouldsucceedB.hadsucceededC.wouldhavesucceeded5.如果你对人更友好一些，你会有更多的朋友。Ifyoutopeople,youwouldhavemorefriends.,Exercise,B,C,B,C,weremorefriendly,1.IfI(be)you,Iwouldbuyabighousewithapool.2.IfI(know)howtosingthesong,Iwouldhavejoinedyouthatday.3.Hesaidthatthey(leave)forhomethenextday.4.Hesuggestedthatthey(use)atrickinsteadoffighting.5.Iwouldratheryou(tell)methetruth.6.Youarelate.Ifyou(come)afewminutesearlier,you(met)him.7.Ifhehadbeenhereyesterday,