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1、GrammarNounClauses名词性从句NounClausessubjectiveclause主语从句objectiveclause宾语从句predicativeclause表语从句appositiveclause同位语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、宾语从句和同位语从句。1.Whatitwastobecomewasamystery.2.Idon’tknowwhowillhelpHenrytowinthebet.3.Histroub
2、leisthathedoesn’tknowanybodyinLondon.4.Thefactthatshipscangotheresurprisesmanypeople.主语从句宾语从句表语从句同位语从句引导名词性从句的连接词连接词that：无实义，不充当从句的任何成分;从句完整；除部分宾语从句可省略，其他名词性从句中均不可省略;不可以与which（哪个）互换。e.g.Histroubleisthathedoesn’tknowanybodyinLondon.Whichteamwillwinthematchisun
3、known.2.连接词whether,if：引导名词性从句都意为“是否”。在宾语从句中有时可互换。但介词后用whether引导或whether…ornot。在主语从句，表语从句,同位语从句中不能用if.e.g.Hedidn’tknowwhetherhewasreadyornot.3.连接代词:what,whatever,who,whoever,whom,whose,which（哪个）：不仅起到连接一个句子的作用,同时也是从句的一个组成部分；从句不完整，缺成份。e.g.Whoeverbreaksthelawwill
4、bepunished.4.连接副词:when,where,how,why从句完整，有疑问e.g.Iwonderwhyhewasabsent.5.连词asif,because只用在表语从句中。e.g.Thatisbecausehewasill.1.宾语从句宾语从句在复合句中起宾语作用,可以作动词的宾语，也可以作介词或形容词的宾语。1.作动词的宾语e.g.Shedidnotknow_____hadhappened.动词＋间接宾语＋宾语从句e.g.Shetoldme_____shewouldacceptmyinvita
5、tion.2.作介词的宾语e.g.I’minterestedin______hedid._______________hedidit.whatthatwhatwhy/when/how/whether.3.作形容词的宾语e.g.IamafraidthatI’vemadeamistake.that引导的从句常跟在下列形容词后作宾语：anxious,certain,convinced,determined,glad,proud,surprised,worried,sorry,ashamed,disappointed,a
6、nnoyed,pleased,satisfied,content等。4.It可以作为形式宾语主语+谓语+it+宾语补足语+that+宾语从句常见的谓语动词是consider,find,make,regard,see,take,think. e.g.WefinditnecessarythatwepractisespeakingEnglisheveryday.宾语从句须注意1)由疑问词引导的从句中,词序按陈述句顺序排列。e.g.Iwonderwhatheisdoing.注意：Iwonderwhatwaswrong/t
7、hematterwithhim.2)当主句的谓语动词是过去时的时候,从句的谓语动词应用相应的过去时。自然规律和客观真理例外。3)连词when和if在名词性从句和状语从句中的时态Iwonderwhenhe__________(come)back.I’lltellhimthetruthwhenhe_____(come)back.Iwonderifhe__________(come)back.I’lltellhimthetruthifhe_____(come)back.willcomecomeswillcomecome
8、s4)That在其他名词性从句中均不可省略，只有在宾语从句中that有时可以省略，但在并列的宾语从句中第二个that不可省略。e.g.Hesaid(that)hewouldleaveandthathewouldnevercomebackagain.doesit?Theydon’tbelieveIamright,dothey?5)否定的转移 若主句谓语动词为think,co
