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高二第六单元语法名词性从句难点强化ByWillSmiles名词从句基本概念1：表命令建议的名词后的表语从句。在order,(命令），suggestion,advice(建议）等的名词后的表语从句中，谓语动词要用虚拟语气，即：”should+动词原形“，should常可省。如：Hissuggestionisthatwe(should)holdanothermeetingtodiscusstheproblem.Forexample:2.that.whether的区别that用于表示肯定的意义，而whether表疑问。Idon’tdoubtthathewillwin.(I’msure)Itdoesn’tmatterItmakesnodifferenceItisuncertainItisnotmadeclearItisstillaquestionItisnotdecidedItistobefoundoutItistobedecidedIdoubt/wonder/havenoidea/don’tknowwhether3.What,that,whichwhat=allthat,everythingthat在从句中作主，宾，表语。Idon’tbelievewhathesaid.(Idon’tbelieveallthathesaid.)that在所有的名词性从句中都不作任何成分。Thatheistotakechargeofourfactoryisalreadyanopensecret.Which表疑问，”哪一个“I’mnotinterestedinwhichoftheseagenciesyou’dliketoservein.4:名词性从句皆用陈述语序。Iwonderhowmuchthispairofshoescosts.Iwanttoknowwhereyouhadputmypen.5:that的省略that引导名词性从句可省，但引导主语从句置于句首时不能省，若有两个宾语从句，第二个从句的that不能省。Idon’tbelievehehaseverreadanyofShakespeare’sworksorthathehaseverheardofhim.Thatwe’llloseisnothingtobedoubted.6:whoever引导的名词性从句此时其表示…..的人，相当于thepersonwho,或anyonewhoWhoeverbreaksthelawwillbepunished.注意区别：whoever作让步状语的用法Whoeverbreaksthelaw,hewillbepunished.(=Nomatterwhobreaksthelaw,hewillbepunished.)(让步状语，意为无论谁）7：because引导的表语从句Because可以引导表语从句，但通常只用于”This/That/Iti/wasbecause…”结构中注意：thereason后面的表语从句只能由that引导，即thereasonisthatthereason(why…)isthatThereasonwhyheisabsentfromworkisthatheisseriouslyill.主语从句典型错误1：Thatshewantstoknowiswhichdresssheshouldbuy.2:Hewillgiveuphisjobsurprisesallofus.3:Nomatterwhobreaksthelawwillbepunished.4:Ifthemeetingwillbeheldinourschoolisnotknownyet.5:Thatworriedherabitthathecouldn’tgetintouchwithherfriend.6:HeissaidhehasgonetoAmerica.表语从句典型错误：1：ThereasonwhyIwaslatewasbecauseImissedthetrain.2:-----Irangyouataboutten,butthereisnoreply.---------Oh,thatwasprobablywhyIwasseeingthedoctor.3:Thedifficultwenowmeetwithisifwecanpersuadehimtotellthetruth.