在复合句中起名词作用的从句叫名词从句在复合句中起名词作用的从句叫名词从句((NounClauses)NounClauses)。。名词从句的功能相当于名词从句的功能相当于名词词组名词词组,,它在复合句中能担任主语、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,名词从句根据它在句中不同的语法功能,名词从句又可分别称为主语从句、宾语从句、表语又可分别称为主语从句、宾语从句、表语从句和同位语从句。从句和同位语从句。Hisjobisimportant.Whathedoesisimportant.Thisishisjob.Thisiswhathedoeseveryday.{{{Idon’tlikehisjob.Idon’tlikewhathedoeseveryday.Idon’tknowabouttheman,Mr.White.Idon’tknowaboutthefactthatheisateacher.{Atlunchtime,theradioweathermanreportedthatthemistwouldbecomeathickfogintheafternoon.Thetruthisthatthefogistoothickforthebustorunthatfar.Whatsurprisedmemostwasthattheoldmancouldn’tseeanything.ThefactthatPollydidn’taskfortheman’snameisapity.Findclausesfromthefollowingsentencesandtellthefunctionsofthem.AppositiveClause(同位语从句)SubjectClause(主语从句)ObjectClause(宾语从句)PredicativeClause(表语从句)引导名词性从句的连接词•连接词that,if,whether,asif(不充当任何成分)•疑问代词who,whom,what,which,whoever,whose等•疑问副词when,where,how,why•主语从句是在复合句中充当主语的从句,通常放在主句谓语动词之前或由形式主语it代替,而本身放在句子末尾。主语从句做主句的主语。如:Whatwehavedoneisintheinterestofthepeople.引导主语从句的词有:连词:that,whether代词:what,who,which等副词:when,where,how,why1Thathewillsucceediscertain.2Whetherhewillgothereisnotknown.3Whathesaidisnottrue.4Wherehehidthemoneyistobefoundout.5Whoevercomesiswelcome.6Howwecanhelpthetwinswillbediscussedatthemeeting.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.“It”isusedasemptysubject形式主语(1)Itis+名词+从句Itisafactthat…ItisanhonorthatItiscommonsensethat(2)Itis+形容词+从句Itisnaturalthat…Itisstrangethat…(3)Itis+过去分词+从句Itisreportedthat…Itissaidthat…(4)It+不及物动词+从句Itseemsthat…Ithappenedthat…Itappearsthat…•主语从句中用来表示惊奇、不相信、惋惜、理应如此等语气时,谓语动词要用虚拟语气“(should)+do”,常用的句型有:•Itisnecessary(important,natural,strange,etc.)that…Itisapity(ashame,nowonder,etc.)that…Itissuggested(requested,proposed,desired,etc.)that…宾语从句宾语从句就是在复合句中作宾语的名词性从句,通常放在主句谓语动词(及物动词)或介词之后。1)引导宾语从句的词有:连词:that,whether,if代词:who,whose,what,which副词:when,where,how,why例如:Ithink(that)watchingTVtoomuchisbadforpeople'shealth.Iwonderifyoucandomeafavour.I’minterestedinwhothattallmanis.1.由连接词that引导的宾语从句•由连接词that引导宾语从句时,that在句中不担任任何成分,在口语或非正式的文体•中常被省去,但如从句是并列句时,从第二个分句开始,that不可省。例如:•Hehastoldme(that)hewillgotoShanghaitomorrow.•Hetoldme(that)hewouldcomeandthathewouldcomeontime.•在demand、order、suggest、decide、insist,desire,request,command等表示要求、命令、建议、决定等意义的动词后,宾语从句常用“(should)+动词原形”。例如:Iinsistthatshe(should)doherworkalone.我坚持要她自己工作。Thecommanderorderedthattroops(should)setoffatonce.2.疑问词引导的名词性从句•用who,whom,which,whose,what,when,where,why,how,whoever,whatever,•whichever等关联词引导的宾语从句相当于特殊疑问句,应注意句子语序要用陈述语序。例...