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1、名词性从句GrammarandusageNounClauses1)Atlunchtime,theradioweathermanreportedthatthemistwouldbecomeathickfogintheafternoon.2)Shewonderedifthebuseswouldstillberunning.3)‘Sorry,Miss,’repliedtheman,‘thetruthisthatthefogistoothickforthebustorunthatfar.’Wecallthesesentences——nounclau
2、ses.在复合句中起名词作用的从句叫名词性从句(NounClauses)。名词性从句的功能相当于名词或名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。名词性从句Hisjobisimportant.组卷网Whathedoesisimportant.Thisishisjob学科网.Thisiswhathedoeseveryday.{名词性从句在功能上相当于名词主语表语{{Idon’tlikehisjob.Idon’tlikewhat
3、hedoeseveryday.Idon’tknowabouttheman,Mr.White.Idon’tknowaboutthefactthatheisateacher.宾语同位语{1Thathewillsucceediscertain.2Whetherhewillgothereisnotknown.3Whathesaidmademeupset.4Wherehehidthemoneyisstillunknown.5Whoevercomesiswelcome.6Howwecanhelpthetwinswillbediscussedatthem
4、eeting.7Whenthey’llstarttheprojecthasnotbeendecidedyet.SubjectClause主语从句为避免主语冗长,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。1.Itiscertainthathewillsucceed.2.Itisnotknownwhetherhewillgothere.3.Ithasnotbeendecidedyetwhenthey’llstarttheproject.“It”isusedaspreparatorysubject.形式主语It’slike
5、ly/possible/important/necessary/clearthat…很可能/重要的是……/必要的是……/很清楚……组卷网It’ssaid/reportedthat…据说/据报道……Itseems/appears/happensthat…似乎/好像/碰巧......It’sbeenannounced/declaredthat…已经通知/宣布……It’snowonderthat…并不奇怪/无疑……It’sapity/afact/commonknowledge(众所周知)/acommonsaying(俗话说)that…在下列句型中
6、常使用that引导主语从句宾语从句在句中充当宾语成分(可以作谓语动词、介词、不定式等非谓语动词的宾语)Theyknowthatthehabitwillkillthem.Italldependsonwhethertheywillsupportus.HeaskedhowmuchIpaidfortheviolin.Hemadeitcleartothepublicthathedidanimportantandnecessaryjob.Ifinditnecessarythatweshoulddothehomework.Tellthefunctiono
7、fthefollowingclauses.that,whether,if(that常可省略)who,what,which,whoever,whatever,whenwherewhyhow宾语从句连词当whether后紧跟or/ornot时,不用if.Idon’tknowwhetherIwillstayornot.介词后面的宾语从句不能用if.IamworriedaboutwhetherIhurtherfeelings.注意1.whether和if都可以引导宾语从句在主+谓+it(形式宾语)+宾补+that从句(真正宾语)的句型中不省略Wem
8、ustmakeitclearthatwemeanwhatwesay.由连词and连接的两个由that引导的宾语从句中,第二个that不省略。Hetoldme(that)hewou
