th语法专题 名词性从句

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1、语法专题名词性从句(NounClauses)1.概念在句子中起名词作用的句子叫名词性从句。2.种类1)主语从句:主语从句+谓语动词+其他2)表语从句:主语+系动词+表语从句3)宾语从句:及物动词/介词+宾语从句4)同位语从句:名词/代词+同位语从句3.名从引导词分类及作用:名词性从句的引导词作用连接词 that,whether/if（是否）不作成分只起连接作用连接代词 what(ever)，who(ever)，whom(ever)，which(ever)whose作主、宾、表、定语连接副词 when(ever),where(ver),why,how,作状语6例句展示◆Thattheywill

2、winthegameiscertain.→Itiscertainthattheywillwinthegame.◆Whetherthetaskcanbefinishedontimeisstillunknown.→Itisstillunknownwhetherthetaskcanbefinishedontime.◆Whyhedidn’tcomehereisnotcleartoanyone.→Itisnotcleartoanyonewhyhedidn’tcomehere.◆Whoeverbreaksthelawshouldbepunished.◆Whathesaidatthemeetingisim

3、portant.例句展示★CanyoutellmewhenandhowIcangettothecity?★Idon’tunderstandwhathemeans.★Iamnotsurewhetherhewouldhelpme.★HesaidthathehadvisitedhisformerEnglishteacherseveraltimes.6例句展示◆Itisstillaquestionwhetherthebridgecanbecompletednextmonth.◆Whensheheardthenewsthattheearthquakehappenedinherhometown,shel

4、ostconsciousness.◆Theyhavenoideawhethertheyshouldgoonwiththesearch.◆Thequestionwhocangotothemeetinghasn’tbeendecided.名从考点：1.what和that_____hecan’tfinishtheworkontimeis____makesusworry.(KEY:That，what)注：what在从句中作主语、宾语、表语等。that只起连接作用,在从句中不作任何成分。2.名词性从句中的谓语语气问题1)Iadvisethathe____________(stay)andwaither

5、e．2)Itisadvisedthatwe__________(hold)anothermeetingtodiscussthequestion.3)Myadviceisthattheinjuredman________(send)tohospitalatonce．KEY1)(should)stay2)(should)hold3)(should)besent注：表“建议、命令、要求、安排”等词其后的名词性从句要用虚拟语气：（should）+动词原形。此类词有：advise/suggest/propose/recommend/insist/order/command/demand/require

6、/request等等。3.that的省略与保留1)_______theywouldtaketheriskisclear.2)Thereasonis______heiscareless.3)Idon’tthink_______sheiscoming.4)Weallknew______hegotthefirstprizeand______hewasveryexcited.5).Wemustmakeitclear______wemeanwhatwesay.KEY1)That2)that3)(that)4)(that),that5)that注：可省：单个的宾语从句中不可省：主从，表从中；并列宾语从句

7、中,第2个宾语从句中的that不省；在it作形式主/宾语的句型中。64.which,what1)Ican’timagine_______madehimactlikethat.2)______hewantsisabook.3)Ireadaboutitinthisbookorthatbook,Ican’tremember______itwas.4)Wouldyoumindtellingme______langua