SubjunctiveMood虚拟语气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1.IfIhadHIV,IwouldknowbecauseIwouldfeelsick.2.IfIwereyou,IwouldgiveAIDSpatientahug.3.IfIhadtakenyouradvice,Iwouldn’thavemadeamistake.4.Ifhehadbeenthere,itwouldn’thavehappened.5.Ifitshouldraintomorrow,theywouldn’tgoforanouting.6.Ithinkwecoulddoit,ifweplaneditproperlyandcouldborrowthetools.7.Ifweweretohavethreedaysoff,wewouldenjoyaveryhappylife.二、虚拟语气特殊句型：4.It’s(about/high)time+that--5.表示要求，命令，建议的虚拟语气。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。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,proposal,demand,request,desireIt’ssuggestedthattheplanbecarriedout.Mydemandisthatsheshouldcometoseemeonceaweek.Allofusarefortheadvicethatthechemicalfactoryshouldbecloseddown.6.without和butfor构成虚拟。(butfor要不是)7.Ifonly…(要是…就好了)IfonlyIknewhisname!Ifonlywehadfollowedyouradvice!IfonlyIcouldseehimagain!8.It’snecessary/strange/natural/important+that---从句中的动词要用虚拟，即(should)+动词原形9.It’s+hightime+that---从句中的动词要用虚拟，即should+动词原形.也可用动词过去时态。Itishightimethatweshouldpaymoreattentiontoourenvironment.Itishightimethatwepayedmoreattentiontoourenvironment.10.某些简单句的固定句型：Heavenhelphim!Godblessyou!Mayyousucceed!LonglivethePeople’sRepublicofChina!三：虚拟语气假设条件句型注意点：2.假设条件虚拟倒装。条件从句中有should，were，had三个助动词可以把if省略，并将这三个词提至句首。IfIwereyou,Iwouldgiveitup.WereIyou,Iwouldgiveitup.Ifitwerenotforyouradvice,wecouldn’thavegotoverthedifficulties.Wereitnotforyouradvice,wecouldn’thavegotoverthedifficulties.IfIhadhadtime,Iwouldhaverunroundthatlakeagain.HadIhadtime,Iwouldhaverunroundthatlakeagain.Ifthereshouldbeaflood,whatshouldwedo?Shouldtherebeaflood,whatshouldwedo?