英语名词性从句

Loremipsumdolorsitamet,consectetueradipiscingelit.Aeneancommodoligulaegetdolor.Aeneanmassa.natoquepenatibusetmagnisdisparturientmontes,Donecquamfelis,复合句由一个主句和一个或一个以上的从句构成复合句=主句+（≥1）从句复合句种类名词性从句宾语从句（ObjectClause）表语从句（PredicativeClause）主语从句（SubjectClause）同位语从句（AppositiveClause）形容词性从句定语从句副词性从句状语从句名词性从句sheismysister.that句子连词从句是个大单词1.Isaysorry主谓宾2.Isaythatsheismysister.宾语从句3.Thefactistrue主系表4.Thatsheismysister主语从句istrue.5.Thefactisthatsheismysister.表语从句6.Myteacher,Maryisbeautiful.主语系表同位语7.Thenewsthatsheismysisteristrue.主语同位语从句名词性从句1.Isay宾语从句thatsheismysister.2.Thatsheismysisteristrue.3.Thefactisthatsheismysister.4.Thenewsthatsheismysisteristrue.表语从句主语从句同位语从句动后宾从系后表从动前主从名后同位从5.Thenewsthatshetoldmeistrue.定语从句名后定从区别：名后同位从，所表是内容；名后定从，不表内容解释内容修饰名词4.Theideathatweshouldgetupearlyisacceptable.划分从句从连词开始，到句子中第二个谓语动词结束1.Iknowthathehaswon.2.Thathepassedtheexamwasunbelievable.3.Thetruthisthathestolenmyphone.动后宾从宾语从句动前主从主语从句系后表从表语从句名后同位从同位语从句连词............①②1.Thefactisthathehasnotbeenseenrecently.2.Thefactthathehasnotbeenseenrecentlydisturbseveryoneinhisoffice.3.HewilltalktousaboutwhathesawinU.S.4.ItisimpossiblethatIgoandattendthemeeting.表语从句同位语从句宾语从句主语从句辨别从句名词性从句的引导词1.连接词：that、if、whether不作成分无意义2.连接代词：who、whom、whose、what、which3.连接副词：when、where、why、how“是否”作状语作主/宾/表Exercise1.____wasmostimportanttoherwasherfamily.A.itB.thisC.WhatD.as2.Atfirsthehatedthenewjobbutdecidedtogivehimselfafewmonthstosee_____itgotanybetter.A.WhenB.howC.whyD.if3.Seetheflagsontopofthebuilding?Thatwas_____wedidthismorning.A.WhenB.whichC.whereD.what4.Isthereanypossibility_____youcouldpickmeupattheairport?---Noproblem.A.WhenB.thatC.whetherD.what主语从句宾语从句表语从句表语从句并列句①主语从句SubjectClauses1.Atreehasfallenacrosstheroad.2.Youareastudent.3.Toliveistolearn,tolearnistobetterlive.4.Smokingisbadforyou.5.Itiscertainwhetherwewillsucceed.6.Thatsheisabletocomemakesushappy.名词代词不定式动名词形式主语主语从句各式各样的主语定义在主从复合句中，充当主语的从句叫主语从句。e.g.Whathedidintheearthquakemovedeverybody.主语从句谓宾ThatChinawillbecomemorepowerfuliscertain.主语从句系表主语从句thatwhetherwhowhomwhosewhatwhichwhenwherewhyhow从句引导词:1.ThatheknowsJapaneseisknowntoall.3.Whenhewillcomeisunknown.4.Whetherheiscomingdoesn’tmattermuch.5.Itremainsasecrethowtheyclimbedupthemountain.主语太长了!放到句尾That无词义,不可省略What“什么”,“所….的”2.Whatsurprisedmewastoseehimhere.When“什么时候”主语从句不用if位于句首主语从句的位置1.在句首2.主语较长时通常放在后面,句首主语用It引导主语从句三大连接词1.从属连词：that,whetherthat无词义,位于句首，但不能省略whether“是否”，可放在句首或句中，但不可省略e.g.shegotthefirstprizemadeherparentsveryhappy.shewillcomeornotisstillaquestion.无义是否ThatWhether不作成分Exercise1.____we’llgocampingtomorrowdependsontheweather.A.IfB.WhetherC.ThatD.Where2.___hehasbecomearichmanisknowntoallinourtown.A.BecauseB.ThatC./D.What3._____wegoswimmingeveryday____usalotofgood.A.If;doB.That;doC.If;doesD.That,does4.It'suncertain________theexperimentisworthdoing.A.ifB.thatC.whetherD.how5.________theboydidn'ttakemedicinemadehismotherangry.A.ThatB.WhatC.HowD.Which连接代词连接代词中文在从句中的成分who/whom__whoever______what__________whatever_______which______whichever________whose____不可省略谁不论谁什么\什么事无论什么哪一个无论哪一个谁的主语宾语表语定语①Whateveryoudoshoulddonoharmtoothers.无论你做什么都不应该伤害别人。②Whowilltakehisplaceisnotimportant.谁将代替他并不重要。③Whosecarrunsfastershouldbetested.那些开的很快的小轿车应该被检查。连接代词Exercise1.___leavestheroomlastoughttoturnoffthelight.A.AnyoneB.ThepersonC.WhoeverD.Which2._____wecan'tgetseemsbetterthan_____wehave.A.What,whatB.What,thatC.That,thatD.That,what3.________isgoingtodothejobwillbedecidedbythePartycommittee.A.ThatB.WhyC.HowD.Who4.______teamwillwinthematchisamatterofpublicconcern.A．WhichB．ThatC．IfD．How连接副词中文意思在从句中的成分whenwherewhyhow什么时候在哪里为什么怎么样，如何时间状语地点状语原因状语方式状语连接副词不可省略e.g._______________remainsamystery.他为什么做那件事依然是个谜。主语从句中应注意的问题1、从句的语序要用陈述句的语序Whyhedidit2、从句做主语时，主句谓语动词的单复数①单个主语从句做主语时，谓语动词用单数e.g.Whenweshallhaveoursportsmeeting_____notbeendecidedyet.②由两个或多个连接词引导一个主语从句时，谓语动词也用单数e.g.Whenandwhereweshallhaveoursportsmeeting______notbeendecidedyet.hashas③如果and连接两个或两个以上的主语从句做主语时，谓语动词用复数e.g.Whentheywillstartandwheretheywillgo______notbeendecidedyet.主语从句中应注意的问题have3、whether引导的主语从句,如果用了形式主语it,引导词whether可以换成if,如果whether从句在句首或后面有ornot时,不能换成if.Whethertheywillsellthehouseisnotdecidedyet.Itisnotdecidedyetwhethertheywillsellthehouse.不可用if替换可用if替换注意what和who引导主语从句时，主句谓语的数应与主句中作表语的名词保持一致。WhatIneed______money.WhatIneed______books.isareWhoyouwillgowith______Lucy.Whoyouwillgowith______thetwins.isare形式主语常用句型It+be+名词+that从句It'sapitythat......很遗憾.....It'safactthat......事实是.....It+be+过去分词+that从句It'ssaidthat......据说.....It'sknownthat......众所周知.....It+be+形容词+that从句It'sobviousthat......显然.....It'simportantthat......重要的是.....小结1.主语从句的构成:引导词+简单句2.引导词:连词that,whether连接代词who(ever),what(ever),which(ever)，whom(ever)连接副词when,where,how,why3.4个注意点:①陈述句语序②主语从句作主语，谓语动词用单数③that在主语从句中不能省略④句首只能用whether。若it做主语，则后面if也可使用Exercise1.Itisobvioustothestudents______theyshouldgetwellpreparedfortheirfuture.A.asB.whichC.whetherD.that2.________shecouldn’tunderstandwas______fewerandfewerstudentsshowedinterestinherlessons.A.that;whatB.what;whyC.what;becauseD.why;that3.It’sgenerallyconsideredunwisetogiveachild____heorshewants.A.howeverB.whateverC.w