*KeytoExercises*Unit9NounClause（名词性从句)*名词性从句0概述：（1）在句子中起名词作用的各种从句统称为名词性从句。根据它们在句中所起的作用，可分为主语从句、宾语从句、表语从句和同位语从句。如：Whathesaidwasinteresting.(whathesaid是名词从句作主语)（2）名词性从句的引导词有：(3)从属连词只起连接作用，在句中不担任成分；连接代词除起连接作用外，还在从句中充当主、宾、定、表语等语法成分；连接副词在从句中充当状语成分。that,whether,if(从属连词)what,who,whom,whose,which,whatever,whoever,whomever（连接代词）when,where,why,how(连接副词)*名词性从句的关联词11.名词性从句的引导词(that/whether/what?…)Wehaventdecidedyetwhethertoaccepthisinvitationtotheparty.Thevividpicturescanshowyouwhattheancientcitylookslike.Whoevermakesmistakesmustcorrectthem.IwillgotoaskmyteacherhowIcouldworkouttheproblem.*主语从句22.主语从句(that/wh-从句?)2.1whatshesaid…(主语从句+谓语+宾语，谓语一般用单数)Whatshesaidsurprisedme.Whereshewentisnoneofyourbusiness.Whytheyleftthecountryisasecret.Howmuchitcostsisabigproblem.Whethershecomesornotisunimportanttome.2.2It+be+形容词/名词/过去分词/不及物动词+that/wh-从句（主语从句的固定用法，可见本书it的用法）*主语从句22.2.1It+be+形容词+that/wh-从句Itisprobablethathetoldhereverything.Itwasnotclearwhathemeantbysayingthat.2.2.2It+be+名词+that/wh-从句Itsnosurprisethatourteamwonthegame.Itisstillaquestionwhoshouldbesenttocarryoutthetask.2.2.3It+be+过去分词+that/wh-从句ItisreportedthatChinahassentanotherman-madesatelliteintoorbit.Itissaidthatwhattodoatthemeetinghasbeendiscussed.2.2.4It+不及物动词+that/wh-从句ItseemsthatAliceisnotcomingtothepartyatall.Ithasturnedoutthatwhattheyhavedoneiscompletelyuseless.*宾语从句33.宾语从句(主语+谓语+that/if/wh-从句3.1主语+谓语+it+形容词/名词+that从句（为了保持句子平衡，it替代从句作形式宾语）Manyparentsthink(that)educationistobegivenonlyinschool.Weshoulddowhateverisworthdoing.WefinditamysterythatAlexh