【最高考】2015高考英语语法精讲+精练：专题九+名词性从句常考点

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1、专题九　名词性从句常考点在复合句中起名词作用的从句叫作名词性从句。它包括主语从句、宾语从句、同位语从句和表语从句。名词性从句是英语中的一个重要语法项目，在历年的高考中几乎都涉及到。引导名词性从句的连接词可分为三类：连接词that，whether，if(不充当从句的任何成分)；连接代词what，whatever，who，whoever，whom，whose，which；连接副词when，where，how，why。　　Itis...和Thereis...Itis...句型中it为形式主语，真正的主语为动名词、不定式或从句，而Thereis意为“

2、有……”，有时be也可以用exist，remain等替代。用it，there填空：①________isapitythathewasabsent.②________isafactthathehasliedtoyou.③________isnowonderthatheissoexcited.④________isnoneedtoworryaboutit.⑤________isnosense/point(in)arguingwithhim.⑥________isnodoubtthathehasgone.【答案】①It　②It　③It　④There

3、　⑤There　⑥There　　从句作主语时的谓语动词形式主语从句作主语相当于第三人称单数作主语，谓语动词用单数；如果由and连接两个或两个以上的主语从句作主语时，谓语动词用复数；由两个或多个连接词引导一个主语从句，谓语动词用单数。用所给词的适当形式填空：①Thatthepresidentiscoming________(excite)allofus.②Howcloseparentsaretotheirchildren________(have)astronginfluenceontheircharacter.③Whenandwherethe

4、meetingwillbeheld____________(notdecide)yet.【答案】①excites　②has　③isn'tdecided/hasn'tbeendecided　　宾语从句的时态和语序宾语从句中的时态要注意呼应。当主句中的谓语是现在时，从句根据自身的句子情况，而使用不同的时态。当主句中的谓语是过去时态，从句则要用相应的过去时态(如一般过去时，过去进行时，过去将来时等)；当从句表示的是客观真理、科学真理、自然现象，则从句仍用现在时态。宾语从句语序要用陈述语序(whatis/wasthematter除外)。①Thepho

5、tographswillshowyou________．A.whatdoesourvillagelooklikeB.whatourvillagelookslikeC.howdoesourvillagelooklikeD.howourvillagelookslike②Someoneisringingthedoorbell.Goandsee________．A.whoisheB.whoheisC.whoisitD.whoitis③Hello，Ididn'tknowyou________(be)inLondon.Howlonghaveyoubeen

6、here?④Ithoughthe________(be)comingtomorrow.⑤Theteachertoldusthatlight________(travel)ataveryhighspeed.【答案】①B　②D　③were　④was　⑤travels　　表语从句中的常见句型6常用的句型有：Thereasonisthat...；Itisbecause...；That'swhy...；That'swhere...。完成下列句子：①Thereason________heisabsentfromschoolis________heisil

7、l.＝Heisill.That's________heisabsentfromschool.＝Heisabsentfromschool.That's________heisill.②Thereason________hegavewas________hewascaughtinthetrafficjam.③That's________Idisagree/theproblemlies/Ihavedoubt/youaremistaken.That's________Idisagreeabout/theproblemliesin/Ihavedoubt

8、about/youaremistakenabout.【答案】①why；that；why；because　②which；that/不填③where；what　　同位语