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《虚拟语气在条件状语从句中的应用》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、虚拟语气在条件状语从句中的应用一．虚拟语气在条件状语从句中的谓语动词形式条件从句条件从句的谓语动词形式主句的谓语动词形式与现在事实相反动词过去式（be多用were）Wouldshouldcouldmight+v与将来事实相反动词过去式Should+vWereto+vWouldshouldcouldmight+v与过去事实相反Had+doneWouldshouldcouldmight+havedoneIfitweren’training,wewouldn’tstayindoors
2、.IfIwereto(should)doit,Iwoulddoitinadifferentway.Shewouldhavecomeifshehadn’tbeensobusy.错综时间虚拟条件句有时条件状语从句和主句的动作并不同时发生，其中主、从句中的谓语动词形式，应各按照实际情况来表达。Ifyouhadlistenedtome,youwouldn’tbeinsuchtroublenow.IfIwereyou,Iwouldhavegonewithhim.如果条件状语从句含有should,were,
3、had时，可将if省略，而将这三个词提到的原来的位置WereIyou,Iwouldnottellhimthat.Shoulditsnowtomorrow,manycropswoulddie.Hewouldhaveseenher,hadhecomeyesterday.有时条件状语从句不是以从句的形式出现，而是以一个介词或介词短语（withoutbutfor）的形式出现。这时，句子中的谓语动词用什么形式，就取决于这个动词所要表达的动作发生在什么时候.Butforyourhelp,Iwouldnot
4、havesucceeded.Withoutsunlight,therewouldbenolivingthingsontheearth.要求使用虚拟语气的其他从句在主语从句中1．Itis+形容词(important,necessary,natural,desirable,essential,strange)+thatItisnecessarythatheshouldbesentthereatonce.Itisstrangethatheshouldrefusetocome.2.itis+名词(api
5、ty,ashame,nowonder)+thatItisapitythatyoushouldhavelostthegame.3.itis+过去分词(askedrequiredsuggestedorderedrequested)+thatItisrequiredthatjohnshouldgiveaperformance.Itwassuggestedthateveryoneshouldhaveamap.在宾语从句中含表示命令、建议、坚持的动词advise,command,propose,d
6、esire,insist,order,recommend,require,request,suggest,urge,should+动词原形Headvisedthatanewplanbemade.Heinsiststhatthemeetingshouldbeputoff.注意：Insist坚持要做用虚拟suggest建议用虚拟坚持认为、说暗示，表明Heinsistedthathewasright.Herpalefacesuggestedthatshewasill.在以上动词的名词形式Advice,
7、command,decision,recommendation,reqirementrequest,suggestion后的表语从句和同位语从句用should+动词原形ThereisasuggestionthatthediscussionshouldbeheldinEnglish.MyadviceisthatweshouldputonaplayattheEnglishevening.Itis(high)timethat…从句中动词用过去式或should+动词原形It’stimeweleftsh
8、ouldleave在Forfearthat,incase.引导的从句中HecametomeetatthestationforfearthatIshouldtakethewrongway.Iamgoingtostartearlierincasethereshouldbeanydelayonthejourney.表示祝愿的从句中的虚拟语气wish后的宾语从句表示现在不能实现的愿望用过去式；表示将来不能实现的愿望用wouldcould+动词原形；表示过去不能实现的愿望用had+过去分词或would
