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1、SubjunctiveMood虚拟语气中学英语语法讲解1.英语动词有三种语气，陈述语气，祈使语气和虚拟语气。（见课本P170页）。2.定义：用来表示说的话不是事实，或者是不可能发生的情况，而是一种愿望，建议，假设的语气叫虚拟语气。一、虚拟语气在条件状语从句中的用法条件从句If从句的谓语形式主句的谓语形式现在过去未来did/werehaddonewould/could/should/might+V.(原)would/could/should/might+have+p.p.1.did/were2.s
2、houlddo3.weretodowould/could/should/might+V.(原)1.IfIhadHIV,IwouldknowbecauseIwouldfeelsick.2.IfIwereyou,IwouldgiveAIDSpatientahug.3.IfIhadtakenyouradvice,Iwouldn’thavemadeamistake.4.Ifhehadbeenthere,itwouldn’thavehappened.与现在事实相反与过去事实相反5.Ifitshouldra
3、intomorrow,theywouldn’tgoforanouting.6.Ithinkwecoulddoit,ifweplaneditproperlyandcouldborrowthetools.7.Ifweweretohavethreedaysoff,wewouldenjoyaveryhappylife.与未来事实相反二、虚拟语气特殊句型：wish+宾语从句现在：过去：未来：过去时(did/were)过去完成时(haddone)would/could/might+V.shouldIwish
4、Iwereabird.(现在)IwishIhadn’tmadesuchamistake.(过去)Wewishourparentswouldn’tpunishus.(未来)4.It’s(about/high)time+that--should+V.过去时你该走了。我们该睡觉了。It’shightimethatyouwent.It’shightimethatyouweregoing.It’shightimethatyoushouldgo.It’stimethatwewenttobed.It’stim
5、ethatweshouldgotobed.5.表示要求，命令，建议的虚拟语气。宾语从句。常见动词：一个坚持：insist两个命令：order,command三个建议：advise,suggest,propose四个要求：demand,require,request,desire这些动词后面的宾语从句要使用虚拟语气用法。即从句中的动词使用should+动词原形，或者将should省略。我们建议Tom去休息一下。他坚决要求我到场。国王命令囚犯明天要实施死刑。他们要求我们派他们去那儿工作。Wesugg
6、estedthatTom(should)havearest.HeinsistedthatI(should)bepresent.Thekingorderedthattheprisoners(should)bekilledthenextday.Theyrequestedthatwe(should)sendthemtoworkthere.以上动词相应的名词构成的名词性从句（包括主语从句，表语从句和同位语）也要使用虚拟语气。从句中的动词形式一样。order,advice,suggestion,propo
7、sal,demand,request,desireIt’ssuggestedthattheplanbecarriedout.Mydemandisthatsheshouldcometoseemeonceaweek.Allofusarefortheadvicethatthechemicalfactoryshouldbecloseddown.6.without和butfor构成虚拟。(butfor要不是)Withoutsunlight,people’slifewouldbedifferentfromt
8、oday.Butforyourhelp,Iwouldn’thavefinishedthework.Withoutyourhelp,Iwouldhavefailed.Butforwater,itwouldbeimpossibletoliveinthedesert.7.Ifonly…(要是…就好了)IfonlyIknewhisname!Ifonlywehadfollowedyouradvice!IfonlyIcouldseehimagain!要是我们的父母能和我们住在一起就好了。要是我没错过火车就好
