英语名词性从句语法专题

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1、名词性从句---基础与提高名词性从句名词性从句相当于名词，可分别作主句的主语、表语、宾语和同位语。因此，名词性从句可分为主语从句、表语从句、宾语从句和同位从句。（一）引导名词性从句的连接词1、连接代词：who,whose,whom,what,which。有词义，在从句中担任成分，如主语、表语、宾语、或定语等。Who(m)ever/whatever/whichever2、连接副词：when,where,why,how。有词义，在从句中做作状语。Whenever/wherever/however3、连接词：that,whether,if,asif。that无词义，在从句中不担任成分，

2、只是起到连接作用；if(whether),asif虽有词义，但在从句中不担任成分。Whathesaidwascompletelynonsense.Sodon’tbelievewhateverhetoldyou.Buttheremainingproblemiswhetherotherguysarereliableornot.Ifnot,I’mafraidwehavetoworkitoutbyourselves.Theideathattherearesomuchworktodomakesmefeelterrible.Ifwedon’thaveanyotherchoice,itmigh

3、tbeagoodideatofindanewpartner.Iwillmakealistofwhowemightneedtotalkwith.Justbepatient.找找看！（二）主语从句1、主语从句在复合句作主语。e.g.Whowillgoisnotimportant.2、用it作形式主语，主语从句放在句末。e.g.Itdoesn’tmattersomuchwhetheryouwillcomeornot.3、that引导主语从句时，不能省略。e.g.Thathesuddenlyfellilllastweekmadeussurprised.Itmadeussurprisedt

4、hathesuddenlyfellilllastweek.（三）表语从句1、表语从句在复合句中作表语，位于系动词之后。e.g.Thequestionwaswhocouldgothere.Myideaisthatwecangetmorecomradestohelpinthework.(引导表语从句的that不可省)（四）宾语从句1、宾从在复合句中作宾语。动词后that引导的宾从第一个that可省。eg.Ihope(that)everythingisallright.2、介词之后的宾语从句的连接词that不可省：ThehousewasjustasIleftitexceptthatev

5、erythingwascoveredwithdust.Hedifferedfromhisclassmatesinthathedevotedhissparetimetoreading.（五）同位语从句同位语从句在句中作某一名词的同位语，一般位于该名词（如：news,fact,idea,suggestion,promise等）之后，说明该名词的具体内容e.g.Ihavenoideawhenhewillbeback.Thefactthathehadnotsaidanythingsurprisedeverybody.不是任何名词之后都可以加同位语从句；引导同位语从句的that不可省。一、

6、判断下列各句哪句含有名词性从句，并指出是什么从句：1.Chinaisnolongerwhatitusedtobe.2.Thetruththattheearthturnaroundthesunisknowntoall.3.Itwassnowingwhenhearrivedatthestation.4.Howhepersuadedthemanagertochangetheplanisinteresting.5.Thenewsthattheyhadwonthegamesoonspreadovertheschool.6.Thenewsthatyoutoldmeyesterdaywasre

7、allydisappointing.7.ThatiswhereLuXunusedtolive.8.Hespokeasifheunderstoodwhathewastalkingabout.9.Iwonderwhysherefusedmyinvitation.表语从句同位语从句不是主语从句同位语从句不是表语从句宾语从句不是答案考点1.名词性从句中的语序问题名词性从句的结构：适当的连接词+陈述语序分析从句所缺的成分考点2.that/what的区别问题HesaidthatIwaswro