名词性从句重难点剖析一、相关概念1.名词：表示人或事物的名称的词叫名词。2.名词的句法作用：名词在句中主要作主语、宾语、表语和同位语。3.名词性从句：在英语的句子结构中，本来该由名词充当的主语、宾语、表语和同位语，由一个句子来充当，这个句子就叫名词性从句。4.名词性从句的种类：1)Whatyouneedismoreexperience.2)It’sashamethatyoucan’tcometotheparty.3)Thequestioniswhetheryoushouldaskthemforhelp.4)Ireallydon’tknowwhathermotherdoes.5)HeexpressedhishopethathewouldcometovisitChinasomeday.根据名词性从句在句子中所充当的不同成分，名词性从句可以分为主语从句、宾语从句、表语从句和同位语从句。找出各句中的从句并指出是何种从句1.Idon'tknowifIcandoit.2.Whatheisdoingseemsverydifficult.3.Theimportantthingishowwecanimproveourstudies.4.MrLialwaysthinksofhowhecandomoreforthepeople.5.Thenewsthatshewaspretendingtobesickwaswhisperedfromonetoanother.6.Iwassurprisedatwhathesaid.7.That'swhatyouaregoingtodofirst.8.It'llbedecidedwhoisthemonitorofourclassattheclassmeeting.9.Whenthesportsmeetingistobeheldisstillunderdiscussion.10.HerecomesthenewsthatsomeforeignersfromAmericawillvisitourschool.二、连接词的用法1Thatshewillcomeiscertain.2Whathesaidatthemeetingastonishedeverybodypresent.3Julyiswhenthestudentstaketheircollegeentranceexaminations.连接词:1连词：that,whether,if;在从句中不充当成分2连接代词：what,who,whom,which,whose,whatever,whoever,whomever,whichever;有词义，在从句中充当主语，宾语,表语或定语3连接副词：when,where,why,how,whenever;wherever;有词义，在从句中充当状语确定连接词的步骤:(1)先找出主句；(2)分析从句结构是否完整，缺少哪个成分;(3)根据句意。that的省略：1名词性从句中所有的连接词都不能省略(宾语从句中的that除外);2连词that引导主语从句、表语从句、同位语从句时不能省略；3that引导宾语从句时有时可以省略，但在以下几种情况中不能省略:A)当that从句作介词宾语时；B）宾语从句不只一个时，只有第一个that可以省略；C）宾语从句被分隔或提前时。1Hewillnotcometothemeetingthiseveningistrue.2Thereasonliesinsheworksharderthantheothersdo.3Everyoneknewwhathappenedandshewasworried.4Wedon’tdoubt,inanycase,hekeepshisword.5Theproblemisfuelslikecoalandoilcausealotofpollution.6Weheardthenewsourteamhadwon.that结构：1.that引导主语从句和宾语从句时，常用it作形式主语和形式宾语,构成下列句型：(1)Itisapity/ashame/afact/nowonder(that)…(2)Itisstrange/true/surprising/clear/likelythat…(3)Itseems/happened/turnedout/occurredtomethat…(4)Itissaid/reported/believed/known/expectedthat…that结构：1.that引导主语从句和宾语从句时，常用it作形式主语和形式宾语,构成下列句型：(5)Wethink/make/c