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《【5A版】虚拟语气.ppt》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、虚拟语气学科网SubjunctiveMood(I)GRAMMER语法陈述语气Iwenttothetheatreyesterday. Jackhadn’tcomebackhomeyet.祈使语气Let’sgo. Don’ttouchanythingonthetableuntilthebellrings.一.语气的分类英语的动词一般可带三种不同的语气:陈述语气,祈使语气和虚拟语气。不同的语气用动词的不同形式来表示。虚拟语气IfIwereyou,Iwouldnotleaveheralone. Ourteachersuggestedthatwegotothelibrarythisafterno
2、on.考点1.条件句中的虚拟语气的用法/倒装；2.名词性从句中虚拟语气的用法；3.几种特殊结构中虚拟语气的用法；4.虚拟语气与陈述语气的判定。条件句表示主句的条件,分真实条件句和虚拟条件句两种。真实条件句表示条件是真的或有可能实现的,采用陈述语气。b.虚拟条件句表示条件是无法实现或几乎无法实现的,采用虚拟语气。(TheSubjunctiveMood)表示说话人所说的话不是事实,而是一中假设,愿望,怀疑或推测.虚拟语气主要用于if条件状语从句,也可用于名词性从句等.区别:Ifitrainstomorrow,thecropswillbesaved.陈述语气Ifitrainedtomorro
3、w,thecropswouldbesaved.虚拟语气二.‘if’虚拟条件句的概念由‘if’引导的虚拟条件句叫作‘if’虚拟条件句IcouldeasilyrecognizehimifIhadseenhimbefore.其他虚拟条件句Withoutyourhelp,Icouldn’thavefinishedmyworkontime.三.ifSentenceStructure ‘if’虚拟条件句的结构a.表示与现在事实相反的假设b.表示与过去事实相反的假设c.表示与将来事实相反的假设1.虚拟语气用于条件状语从句中组卷网(1)表示与现在事实相反的假设,条件状语从句中的谓语动词用“过去式(be
4、动词的过去式用were)”,而主句中的谓语动词“would/should/could/might+动词原形”。虚拟语气IfIwereaboy,Iwouldjointhearmy.Whatwouldyoudoifyouwonthelottery?IfIwonthelottery,Iwould…IfIwonthelottery,Iwouldbuyanexpensivecar.IfIhadalotofmoneyIwouldbuyavilla.IfIhadalotofmoneynow,Iwouldtravelaroundtheworld.Ifitwerefinenow,Iwouldgoshop
5、ping.学.科.网a.Ifthey____(be)here,they__________(take)youradvice.b.Iftheworld-war_____(burst)outagain,what_____________(happen)toourpeopleonearth?werewouldtakeburstwouldhappenPRACTICE1:Fillintheblanks.c.Ifthepoliceman________(benot)inthatroom,it________(be)verydangerous.d.IfI____(be)inyourposition,
6、I_________(ask)forteacher’shelp.werenotcouldbewerewouldask2.与过去的事实相反从句的谓语用had＋过去分词,构成IfI(we,you,he,they)＋had＋过去分词的形式；主句的谓语用should(第一人称)/would(第二、三人称)/could/mighthave＋动词过去分词。Ifhe__________morecarefully,he_________________thecaraccidentyesterday.haddrivenwouldnothavehadIfI________howtoswim,I______
7、____________trappedinthisisland.hadlearntwouldnothavebeena.IfTom________(be)morecarefulintheexam,he________________(pass)italready.b.Ifyou_______(get)upearlier,you________________(catch)thefirsttrain.hadbeenwouldhavepassedha
