初中英语同位语从句、主语从句及表语从句

初中英语同位语从句、主语从句及表语从句同位语从句，主语从句和表语从句

一、同位语从句同位语当两个指同一事物的句子成分放在同等位置时，一个句子L成分被用来说明或解释另一个句子成分，前者就叫做后者的同位语这两个句子成分多由名词或代词担任同位语通常放在其说明的名词或代词之后eg:We havetwo children,a boyand agirl.eg:We,the Chinesepeople,are determindedto buildChinainto apowerful anprosperous country..同位语从句与先行词（名词或代词）同位或等同的从句叫做同2位语从句同位语从句的先行词多为fact,news,idea,opinion,thought,（消息），suggestion,promise,word message,request,order,等,多由连接代词引导proposal,plan,question thateg:The factthat themoney hasgone doesnt meanit wasstolen.eg:The hopethat hemay recoveris faint..同位语从句的引导词及特点3）连接代词引导的同位语从句中，只起连接作用，不充当1that that句子的成分）连接代词和连接副词2who,which,what where,when,引导的同位语从句中，其引导词在句子中起连接作用即将主句why,how与从句连接起来，且要在从句中充当成分）从属连词引导同位语从句中只起连接4whether,if,whether,if作用，不在句子中充当成分，也不替代先行词注连接代词与连接副词，关系代词与关系副词的区别如下连接代词和连接副词是引导同位语从句的，其在句子中起连接作用即（将主句与从句连接起来，且要在从句中充当成分除外）；关系代that词与关系副词是引导定语从句的，其在句子中除了具备与连接代词和连接副词同等的作用外，即起连接作用（连接主从句），在句子中充当成分,而且还要替代先行词eg:It isa questionhow hedid it.eg:The questionwho shoulddo thework requiresconsideration.分析此类连接代词及连接副词起连接作用即将主句和Who how从句连接起来，并且在从句当中充当成分，但是并不替代先行词定语从句的关系代词和关系副词要替代先行词高考重点分隔式同位语从句eg:Word camethat he was killedin theaccident实战练习

1.He made a promisehe wouldhelp me.A.whatB.whenC.whichD.that

2..I haveno ideahe will come back.A.whereB.whenC.whatD.there

3.One ofthe menheld theview thebook saidwas right.A.what thatB.that whatC.that whichD.which that

4.There sno possibilityBob willwin the first prizeinthe matchwillcometrue.A.that thatB.there thatC.there whetherD.it whether

5.He cant answerthe questionhe hasmoney.A.wheneverB.whereverC.howD.why引导同位语从句的与引导定语从句的的区别如下that that）从语法角度看，引导同位语从句的,只起连接作用，在从句1that中并不作任何成分，也没有任何含义，而引导定语从句的,除了起连that接作用外,还要替代先行词并在从句中充当句子成分）从引导词省略的角度看，同位语从句中的不能省略，而定2that语从句中的关系代词当其在从句中作宾语时，常常可以省略that,（）（定语从句）eg:The newsthat hetold mejust nowis true.eg:The newsthat Ihave takenthefirstplace inEnglish istrue.（同位语从句）

二、主语从句在复合句中充当主语成分即以从句作主语的句子叫做主语从句，通常有由连接代词,that,what,which,whoever,whatever连接副词弓|when,how,where,why,however,wherever,whether•导eg:Whatever wassaid heremust keepsecret.注意这类主语从句可以直接用在句首，也可以放到句尾，前面用it作为形式上的主语，这两种结构基本上可以换用，意思上没有什么差别eg:Whether hewill joinus won t make too much difference.It注意）wontmaketoomuchdifferencewhether hewill joinus.1引导的主语从句不能位于句首，也通常不用来引导同位语从句，定语if if从句及表语从句）引导主语从句，表语从句,同位语从句时不能省略，在引导2that定语从句并在从句中作主语时也不可以省略eg:That hewas chosenmadeahit inhis village.实战练习

1.matters mostin learningEnglish isenough practice.A.whatB.whyC.whereD.which

2.His moviewon severalawards atthe filmfestival,wasbeyond hiswildest dream.A.whichB.thatC.whereD.it

3.he referedto inhis articlewas unknownto thegeneralreader.A.ThatB.WhatC.WhetherD.Where

4.The bookis ofgreat value.can beenjoyed unlessyou digestit.A.whatB.whichC.everythingD.nothingS.It isnone ofyour businessother peoplethink aboutyou.Believe inyourself.A.howB.whatC.whichD.when

6.worries meis theway hekeeps changinghis mind.A.ThisB.ThatC.WhatD.It

三、表语从句在复合句中充当表语成分，通常放在be Jook,seem,等连系动词之后，即从句充当句子的表语，通常由从属连词appear that连接代词whether as,as ifwho,whom,whose,what,which,z zz连接副词等引whoever,whatever,whichever,where,when,how,why导eg:The problemis whowe canget toreplace her.注意等引导的从句作或where,why,because,how thisis thatis或的表语it iseg:This iswhy weput offthe sportsmeet.实战练习l.The reasonwhy hedidn tcome to school todaywas hehadto lookafter hisfather athome.A.whyB.becauseC.thatD.what

2.That isI wasborn andgrew up.A.whatB.whereC.howD.ifz

3.I reallydon tknow aperson likehim canhelp mewith.A.whichB.itC.whatD.that

4.After seemedlike hourshe cameout witha bittersmile.A.whichB.itC.whatD.that

5.He didnt gotoschooltoday,it washewasill.A.whyB.howC.becauseD.what预祝同学们金榜题名1-5D BB AD1-6AAB AAC1-5C BACC。