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1、名词性从句1.种类2.宾语从句的时态。3.that什么情况下可以省略,什么情况下不可以省略。4.whether和if什么时候可以互换,什么时候不可以互换。5.如何区分同位语从句与定语从句。1.______thebabycouldspeakmadehisparentsveryhappy.2.Iwonder______youwillgoshoppingorstayathome.3.Thisis______hewasoftenlateforschool.4.Weallknowthetruth______theearth______
2、aroundthesun.一.名词性从句的概念:一个句子在连接词的引导下,在句子中起名词作用的句子叫名词性从句。二.名词性从句的功能:相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等。Hisjobisimportant.(主语)Whathedoesisimportant.(主语)Thisishisjob.(表语)Thisiswhathedoeseveryday.(表语)Idon’tlikehisjob.(宾语)Idon’tlikewhathedoeseveryday.(宾语)Idon’tknowabou
3、tthefactthatheisateacher.(同位语)Idon’tknowabouttheman,Mr.White.(同位语)得出结论:因此根据它在句中不同的语法功能,名词从句又可分为四类,即:主语从句、宾语从句、表语从句和同位语从句。三.引导名词性从句的连接词:1、连接代词:who,whoever,whose,whom,whomever,what,which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。lIdon’tbelieve__________hehasachievedsofar.l________
4、__breaksthelawshouldbepunished.2、连接副词:when,where,why,how。有词义,在从句中担任成分,作状语。l__________wewillhandintheprojectwillbediscussedlater.lParentsarethoughttounderstand__________importanteducationistotheirchildren’sfuture.lThereason__________hewasabsentwasthathewasill.3、连接词:
5、that,whether,if,asif,asthough。that无词义,在从句中不担任成分,有时可省略;if(whether),asif虽有词义,但在从句中不担任成分。lIdon’tcareabout__________youhavemoneyornot.lTheproblemis__________Tomisabletoarriveontime.8l__________themeetingwillbeheldhereisnotdecidedyet.lItlooks__________itisgoingtorain.lT
6、hetruthis__________hedidn’tcomefortheconcert.l__________theearthisroundistrue.四.名词性从句的类型:1.主语从句:在复合句中作主句的主语。连接词有that,whether;who,what,which;when,where,how,why等。如:l__________heisafamoussingerisknowntous.l__________hewillgotoAmericaisnotyetfixed.l__________she’scomin
7、gornotdoesn’tmattertoomuch.l__________broketheglassyesterdayisnotclear.注意:1.为避免主语冗长,句子头重脚轻,经常用it作形式主语,主语从句放在后面作真正的主语。记住以下it作形式主语的句型:e.以it作形式主语,把主语从句后置的常见句型有:1.Itis+名词+从句It'sapity/shamethat…很可惜/很遗憾……It'snosurprise/wonderthat…毫不奇怪/很正常……2.Itis+形容词+从句It'scertain/uncert
8、ain/obviousthat……肯定…/不确定/显然……It'slikely/possible/probablethat…有可能……3.Itis+过去分词+从句It'ssaid/reported/thought/believethat…据说/据报道/大家认为/人们相信……4.It+不及物