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1、UnitlArtGrammar导学案学习目标：1.常握讦条件句中虚拟语气的使用2.掌握虚拟语气在几种特殊句式屮的使用【概念】英语中的语气分：陈述语气、祈使语气和虚拟语气三类陈述语气用来陈述事实或可能发生的事；祈使语气用来提出请求、发出命令、警告、威胁或叮嘱等；虚拟语气用来表示煨假的、与事实相反的或难以实现的情况；或表示主观愿望及某种强烈情感。Chinaisafast-developingcountry・（）Makeyourselfathome.（）IfIwereabird,Icouldflyinthesky.（）Part1.基础夯实展示自我If条
2、件句屮虚拟语气的使用虚拟条件状语从句最典型的标志就是由if引导，其用法如下：1.IfIwereyearsyounger,Iwouldstartalloveragain・如果我年轻10岁，我会从头开始。（与现在事实相反，不能实现）2・IfIhadenoughmoneynow,IwouldfirstofallbuymyselfaDELLcomputer.如果我现在有足够的钱，我首先为自己买一台戴尔电脑。（与事实相反）3・Ifwehadhadenoughrainlastyear,wecouldhavegainedagoodharvest.如果去年雨水充
3、足的话，我们可能会有一个好的收成。（与事实相反）4.IfIshould丸凶weetosee/sctwhimtomorrow,Iwoiddinviiehimhome.如果明天我能见到他，我会邀请他到家里来。（与事实相反，事实上是我明天见不到他，所以不能邀请他到家里来）Fillintheformaccordingtotheabovesentences・虚拟条件句主句与现往事实相反的假设Ifsb/sth/Sb/sthwould/should/might/could+动词原形与过去事实相反的假设Ifsb/sthSb/sth与将卿实相反的假设Ifsb/st
4、hSb/sthTASK1If虚拟条件句及省略倒装1・Ididn^tseeyoursisteratthemeeting.Ifsheshewouldhavemetmybrothe匚A.hasdoneB.didcomeC・cameD.hadcome2.Ifittomorrow,theywouldnotgotherebybike.A.willrainB.rainsC.wouldrainDweretorain3.shemydaughter,Iwouldnotallowhertogotostudyaboard・A.IsB.WereC.ShouldD.Will
5、4.forthefreetickets,Iwouldnothavegonetothefilmssooften.AIfitisnotB.WereitnotC.HaditnotbeenD・Ifithasnotbeen5.itraintomorrow,wewouldhavetoputoffthevisittotheYangpuBridge.A.WereB.ShouldC.WouldD.Will【思考】在哪种情况下虚拟条件句中的if可以省略并倒装当虚拟条件句的谓语动词含有were,should,had时，讦可省略，而将were,should,had等词置
6、于句首。如:Shouldheagreetogothere,wewouldsendhimthere.要是他答应去的话，我们就派他去。Wereshehere,shewouldagreewithus.如果:她在这儿的话，她会同意我们的。Hadheleamtaboutcomputers,wewouldhavehiredhimtoworkhere.如果她懂一些电脑知识的话，我们会已经聘用他来这里工作了。TASK2含蓄虚拟条件句的使用1・Withoutelectricity,humanlifequitedifferenttoday.A.isB.willbeC
7、.wouldhavebeenD.wouldbe2.ButforthehelpofmyEnglishteacher,IthefirstprizeintheEnglishWritingCompetition.A.wouldnotwinB.wouldnothavewonC.wouldwinD・wouldhavewon3.YesterdayJanewalkedawayfromthediscussioruOtherwise,shesomethingshewouldregretlater.A.hadsaidB.saidC.mightsayD.mighthav
8、esaid4.Iyoumorehelp,butIwastoobusy・A,mayhavegivenB.maygiveC・mighthav
