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1、Subjunctive MoodWemetinthisroom.DocometothemeetingnextFriday.IfIwereyou,Iwouldstudyhard.陈述语气祈使语气虚拟语气虚拟语气虚拟语气是一种特殊的动词形式，一是用来表示说话人所说的话不是一个事实，而是一种假设、猜测、愿望等(在条件从句中或让步状语从句中)；一是表示说话人的愿望、要求、命令、建议等(在宾语从句、主语从句、表语从句、同位语从句)。虚拟语气的概念虚拟语气的主要内容一、非真实条件句（if等）中的虚拟语气时态一致2.错综时间的虚拟句3.if省略用倒装句4.含蓄条件句5.Ifonly感叹二、名词性从句的
2、虚拟语气：宾语从句、主语从句、表语从句、同位语从句三、几种特殊的虚拟语气句式wish、asif/though、wouldrather、It’stime…It’snecessary/strange/matural/inportant+that从句1)IfIwereabird,Iwouldflyinthesky.2)IfIhadtakenyouradvice,Iwouldn’thavemadethemistake.3)IfIhadbeenthere,itwouldn’thavehappened.4)Ifitrainedtomorrow,wewouldnotgoshopping.1.IfIha
3、d5000yuan,Iwouldbuyacomputer.（与现在事实相反）2.IfIwereabird,Iwouldflyinthesky.3.IfIhadtakenyouradvice,Iwouldn’thavemadeamistake.4.Ifhehadbeenthere,itwouldn’thavehappened.（与现在事实相反）（与过去事实相反）1)IfIwereabird,Iwouldflyinthesky.2)IfIhadtakenyouradvice,Iwouldn’thavemadethemistake.3)IfIhadbeenthere,itwouldn’thav
4、ehappened.4)Ifitrainedtomorrow,wewouldnotgoshopping.5)Hewasshakingwithfright asif hehadseenaghost.a.Ifthey____(be)here,they__________(take)youradvice.b.Iftheworld-war_____(burst)outagain,what_____________(happen)toourpeopleonearth?werewouldtakeburstwouldhappenPRACTICE1:Fillintheblanks.Ifhe_______
5、___（drive）morecarefully,he_________________(nothave)thecaraccidentyesterday.haddrivenwouldnothavehad2、错综时间的虚拟句通常情况下,在非真实条件句中主句和从句的谓语动词所指时间是一致的,但有时也可能指不同的时间,这时要根据上下文的意思采用不同的谓语动词形式.1.IfIwereyou,Iwouldhavetakenhisadvice.(从句指现在,主句指过去)。2.IfIhadtakenmyraincoatwithmethismorning,Iwouldnotbewetnow.(从句指过去,
6、主句指现在)。虚拟语气3、省略if的条件从句当从句中有were,had或should时，可省略if，而把它们放在句首。IfIweretomeethimtomorrow,Ishouldaskhimaboutit.WereItomeethimtomorrow,…Ifheshouldfailintheexperimentthistime,hewouldtryagain.Shouldhefailintheexperiment…Ifyouhadcomeafewminutesearlier,youwouldhavemethim.虚拟语气在在条件从句中Hadyoucomeafew….4.without
7、,butfor，or和otherwise构成虚拟。butfor要不是，or否则（含蓄条件句）1.）Withoutsunlight,therewouldbenolifeonourplanet.2.）Butforyourhelp,Iwouldn’thavefinishedthework.3.）Iwasillthatday.otherwise,Iwouldhavetakenpartinthesportsmeet.(副词)4.）Hetele
