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1、名词性从句主语1)Hisjobisimportant.2)Whathedoesisimportant.表语3)Thisishisjob.4)Thisiswhathedoeseveryday.主语从句表语从句I名词性从句的种类宾语5)Idon’tlikehisjob.6)Idon’tlikewhathedoeseveryday.同位语7)Idon’tknowabouttheman,Mr.White.8)Idon’tknowaboutthefactthatheisateacher.宾语从句同位语从句名词性从句一个句子在复合句中充当主语、表语、同位语、宾语,分
2、别叫做主语从句、表语从句、同位语从句和宾语从句。主语从句的一般结构:1.Thatshewillwinthematchiscertain.2.1)ItisimportantthatweteensshouldlearnEnglish.2)Itisagoodpieceofnewsthathewillattendthemeetingonbehalfofourschool.3)Itissaidthatourschoolwillholdasportsmeeting4)ItseemsthatKatyisnotcomingtothisparty.宾语从句的结构在句子中起
3、宾语作用的句子叫宾语从句,宾语从句放在及物动词或介词之后作宾语。1)Idon'tknowwhyheisalwayslateforschool.2)Weallagreewithwhatyousaidatthemeeting.宾语从句3)I’mnotsurewhenhewillcome.表语从句表语从句位于连系动词后。其基本结构为:1.Mysuggestionisthatweshouldgoshopping.2.Itlooksasifit’sgoingtorain.同位语从句在句中作同位语,它一般要放在主句中某些名词的后面,说明这些名词的含义。可跟同位语从句
4、的名词主要有:fact,news,promise,reason,idea,hope,word,belief等。1)Beijing,thecapitalofChina,ismyhometown.2)Weheardthenewsthatourteamhadwon.3)Wewerehappytohearthenewsthatwasannouncedbyourboss.定语从句同位语从句同位语从句定语从句that(连词)只起连接的作用,不充当句子成分that(关系代词)充当一定的句子成分(主,宾,表)同位语从句与前面的名词是同位关系,表示这个名词的内容定语从句对
5、先行词起修饰作用,表示“…的”。同位语从句的that一般不能省而定语从句中的关系代词that,当其在从句中做宾语时,常常可以省略that在同位语从句与定语从句的区别(I)试比较下面两个例句:1.Thesuggestionthatheraisedatthemeetingisverygood.2.Thesuggestionthatthestudentsshouldhaveplentyofexerciseisverygood.(that引导定语从句,作宾语,可以省略)(that引导同位语从句,在从句中不担当任何成分,但不可以省略)辨别下列从句是定语从句还是同位
6、语从句1.Weheardthenewsthatourteamhadwon.2.Wemustfacethefactthatwehadspentallourmoney.3.Thenewsthathetoldmeyesterdaywasfalse.4.Ihavenodoubtthathewillcomesoon.5.Thefactisthatwehavespentallourmoney.同位语从句同位语从句定语从句同位语从句表语从句II.名词性从句的引导词:连接词:that、if、whether不作成分无意义2.连接代词:who、whom、whose、what
7、、which、whoever、whatever、whichever3.连接副词:when、where、why、how“是否”作状语作主/宾/表,有意义考点一:区别that,what与which考点二:区别whether与if考点三:区别what,whatever,与nomatterwhat...考点四:it作形式主语或形式宾语名词性从句考点归纳:考点1:连接词:that与what的区别1)Whathesaidmakesmehappy.2)Thatanewteacherwillcomeistrue.that只起连接作用,无意义,在从句中不充当任何成分,且在
8、宾语从句中有时可省。what既起连接作用,又在从句中作主语,宾语,表语what引