名词性从句常考点

《名词性从句常考点》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

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“有……”，有时be也可以用exist，r

2、emain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　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

3、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.③Whenandwherethemeetingwillbeheld__________(notdecide)yet.【答案】①excites　②has　

4、③isn'tdecided/hasn'tbeendecided10　　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)。①Thephotographswillshowyou________．A.whatdoesourvillagelooklikeB.whatourvillagelookslik

5、eC.howdoesourvillagelooklikeD.howourvillagelookslike②Someoneisringingthedoorbell.Goandsee________．A.whoisheB.whoheisC.whoisitD.whoitis③Hello，Ididn'tknowyou_____(be)inLondon.Howlonghaveyoubeenhere?④Ithoughthe________(be)comingtomorrow.⑤Theteachertoldusthatlight_______(travel)ataveryhighspeed.【答

6、案】①B　②D　③were　④was　⑤travels　　表语从句中的常见句型常用的句型有：Thereasonisthat...；Itisbecause...；That'swhy...；That'swhere...。完成下列句子：①Thereason______heisabsentfromschoolis________heisill.＝Heisill.That's________heisabsentfromschool.＝Heisabsentfromschool.That's________heisill.②Thereason____hegavewas___hewascaught

7、inthetrafficjam.③That's____Idisagree/theproblemlies/Ihavedoubt/youaremistaken.That's________Idisagreeabout/theproblemliesin/Ihavedoubt10about/youaremistakenabout.【答案】①why；that；why；because　②which；that/不填③where；what　　同位语从句和定语从句的辨别同位语从句就是在