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1、InversionUnit4Grammar在前三个单元我们讲解了动词的过去分词作定语和表语宾语补足语状语本单元我们将学习一个新的语法点倒装(Inversion)ObjectiveTolearntheusageofinversion.英语句子的自然顺序是主语在前,谓语在后。把谓语动词放在主语之前,就叫倒装结构。如果全部谓语放在主语之前,叫全部倒装;如果只把助动词或be动词或情态动词放在主语之前就叫部分倒装。什么是倒装呢?语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语言规则和语法规律。Let’sfindsome
2、invertedsentencesinthereadingpassage.NeverwillZhouYang(ZY)forgethisfirstassignmentattheofficeofapopularEnglishnewspaper.NotonlyamIinterestedinphotography,butItookanamateurcourseatuniversitytoupdatemyskills.Onlyifyouaskmanydifferentquestionswillyouacquirealltheinformationyouneedtoknow.Therearemanys
3、tudentsintheclassroom.主语位于谓语are之后原句自然顺序是：Manystudentsarethereintheclassroom.全部倒装1.用于therebe句型。2.用于“here(there,now,then)+不及物动词+主语的句型中,或以out,in,up,down,away等副词开头的句子里面,表示强调。a.Herecomesthebus.b.Theregoesthebell.c.Nowcomesourturn.d.Outwentthechildren.注意：代词作主语时,主谓语序不变。Hereitis.Thereitgoes.3.当句首状语是表示地点的介
4、词词组时,也常引起全部倒装。Tothesouthofthecityliesabigsteelfactory.Fromthevalleycameafrighteningsound.Underthetreestandsalittleboy.划线的均是表示地点状语,位于句首。4.表语置于句首时,倒装结构采用“表语＋连系动词＋主语”的结构(1)形容词＋连系动词＋主语PresentatthemeetingwereProfessorWhite,ProfessorSmithandmanyotherguests.(2)过去分词＋连系动词＋主语Gonearethedayswhentheycoulddowha
5、ttheyliked.(3)介词＋连系动词＋主语AmongthegoodsareChristmastrees,flowers,candlesandtoys.5.为了保持句子结构平衡或为了强调表语或状语,或是为了使上下文结构紧凑。Theyarrivedatafarmhouse,infrontofwhichsatasmallboy.强调状语Insidethepyramidsaretheburialroomsforthekingsandqueensandlongpassagestotheserooms.保持句子结构平衡1.用于疑问句。DoyouspeakEnglish?由Ifyouhadrevi
6、ewedyourlessons这样一个虚拟条件分句变过来的。2.用于省略if的虚拟条件句。Hadyoureviewedyourlessons,youmighthavepassedtheexamination.部分倒装3.用于Nosooner…than…,Hardly…when…和Not…until…的句型中。Nosoonerhadshegoneoutthantheclassbegan.Notuntiltheteachercamedidhefinishhishomework.4.用于never,hardly,seldom,scarcely,little,atnotime,notonly等否定
7、词开头的句子里。NevershallIdothisagain.Atnotimecanyousay“no”totheorder.Seldomdoesheeatbreakfast.5.用于only开头的句子(only位于句首,修饰副词、介词短语或状语从句)。OnlyinthiswaycanyoulearnEnglishwell.OnlywhenhetoldmedidIrealizewhattroublehewasin.6.用
