语法专项讲练——名词性从句Question:Whatisthefunctionofanouninasentence?名词在句中可以充当什么成分?Hisjobisimportant.Whathedoesisimportant.主语Thisishisjob.Thisiswhathedoeseveryday.表语｛Presentation｛Idon’tlikehisjob.Idon’tlikewhathedoeseveryday.宾语Idon’tknowabouttheman,Mr.White.Idon’tknowaboutthefactthatheisateacher.同位语｛｛这些句子在功能上相当于名词什么叫名词性从句？•在句中起名词作用的从句叫名词性在句中起名词作用的从句叫名词性从句从句((NounClausesNounClauses））•名词从句可分别称为名词从句可分别称为主语从句、宾主语从句、宾语从句、表语从句语从句、表语从句和和同位语从句同位语从句Whatkindofclausesarethey?Whatthedriveroftheyellowcardidmademeextremelyangry.Whyshedidthisisstillunknown.Ihavenoideawhereheis.Pleasetellusthetruthhowmanypeopleweredrownedintheflood.That’swhyIcan’tfollowyou.Theproblemisthatit’sveryhardtocatchyourwords.Thefactthathetellsliesallthetimemakesussurprised.Thereisnodoubtthatitwillraintomorrow.Thenoveltellsthatthetruthalwaystakesthesideofthemajorityofpeople.Ican’texplainwhyhebehaveslikethat.Howhefinisheddoingthatisnotimportant.Wherewewillgohasn’tbeendecidedyet.名词性从句的引导词：1.连接词：that、if、whether不作成分无意义2.连接代词：who、whom、whose、what、which3.连接副词：when、where、why、how“是否”作主/宾/表作状语从句一律保持陈述语序。一．主语从句一．主语从句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。1.It1.It作形式主语作形式主语It作形式主语代替主语从句，主要是为了平衡句子结构，主语从句的连接词没有变化。例如：Itisapitythatyoudidn’tgotoseethefilm.Itdoesn’tinterestmewhetheryousucceedornot.1.他犯了那样一个错误真是遗憾。___________________________isapity.2.他来不来不重要。________________________doesn’tmatter.Itdoesn’tmatterwhether…ThathemadesuchamistakeItisapitythat…it作形式主语WhetherhewillcomeornotExercise1.______makesthisshopdifferentisthatit1.______makesthisshopdifferentisthatitoffersmorepersonalservices.offersmorepersonalservices.A.A.WhatB.WhoWhatB.WhoC.WhenD.WhyC.WhenD.Why2.2.Ithasnotbeendecided___theywillleaveIthasnotbeendecided___theywillleaveforNewYork.forNewYork.•A.whenBwhyCthatDwhatA.whenBwhyCthatDwhatAA二．宾语从句二．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。Ithink(that)Englishiseasytolearn.Italldependsonwhethertheywillsupportus.1.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）hewouldcomeandthathewouldcomeontime.2.在主+谓+it(形式宾语)+宾补+that从句(真正宾语)的句型中不省略Wemustmakeitclearthatwemeanwhatwesay.1.Acomputercanonlydo____youhaveinstructedittodo.A.howB.afterC.whatD.when2.Canyoutellme______?A.whoisthatgentlemanB.thatgentlemaniswhoC.whothatgentlemanisD.whomisthatgentleman三．表语从句三．表语从句在句中充当表语成分，一般放在连系动词之后如look,seem,prove,be.•Theproblemisthatherparentscouldn’tacceptme.•Itlooksasifitisgoingtorain.1.Thisis______shewasborn.A.whereB.whichC.thatD.what2.Thequestionis______wecan’tgotheretoday.A.thatB.whatC.whichD.when3.Thereasonis_______hehasneverwastedhistime.A.becauseB.whyC.thatD.what在句中充当同位语成分，其一般跟在一些抽象名词（idea；belief；fact；possibility;hope;truth；problem；news等）后面，对名词作进一步解释说明.同位语从句常用that引导或用连接副词when/where/why/how/whether•Thenewsthatourteamwonthefirstprizeexcitedallofus.四．同位语从句四．同位语从句...
