NounClauseNounClause名词性从句名词性从句44、典型例题解、典型例题解析：析：名词性从句包括主语从句、名词性从句包括主语从句、表语从句、宾语从句和同位语从句。表语从句、宾语从句和同位语从句。它的功能相当于名词，引导名词性它的功能相当于名词，引导名词性从句的引导词归纳起来可分为以下从句的引导词归纳起来可分为以下三类。三类。功能功能例词例词从属从属连词连词只起连接只起连接作用，不充当作用，不充当从句中的任何从句中的任何作用。作用。that,whether,that,whether,ifif，，asifasif（只用（只用于表词从句）于表词从句）功能功能例词例词连接连接代词代词既起连接作用，既起连接作用，本身又做从句本身又做从句的主语、宾语、的主语、宾语、表语或定语。表语或定语。Who,whom,Who,whom,whose,what,whose,what,whichwhich功能功能例词例词连接连接副词副词既起连接作用，既起连接作用，本身又做从句本身又做从句的状语。的状语。when,where,when,where,why,howwhy,how用用howhow组组成的词组，如：成的词组，如：howmany,howmany,howmuchhowmuch11、主语从句、主语从句(1)(1)ThathewillcomeThathewillcomeiscertain.iscertain.(2)(2)WhethersheiscomingornotWhethersheiscomingornotdoesn’tdoesn’tmattertoomuch.mattertoomuch.(3)(3)WhatsurprisedmemostWhatsurprisedmemostwastoseewastoseesomeofthevillagepeopleseatedonsomeofthevillagepeopleseatedonthebenchesattheendoftheroom.thebenchesattheendoftheroom.(4)(4)WhichteamwillwinthematchWhichteamwillwinthematchisaisamatterofpublicconcern.matterofpublicconcern.(5)(5)WhereshehasgoneWhereshehasgoneisnotknownyet.isnotknownyet.当主语从句较长时，多放在句当主语从句较长时，多放在句子后部，用子后部，用itit作形式主语。作形式主语。以以itit作形式主语，把主语从句后置作形式主语，把主语从句后置的常用句型有：的常用句型有：1.It+be+1.It+be+形容词形容词+that+that从句从句Itis/wascertainthat–clauseItis/wascertainthat–clauseclearclearimportantimportantnecessarynecessaryprobableprobablepossiblepossible（（11））ItiscertainItiscertainthatshewilldothatshewilldowellinherexam.wellinherexam.（（22））ItisprobableItisprobablethathetoldthathetoldmeeverything.meeverything.22、、It+be+It+be+名词词组名词词组+that+that从句从句Itis/wasapitythat–clauseItis/wasapitythat–clauseshameshamedutyduty(1)Itisapity(1)Itisapitythatwecan’tgo.thatwecan’tgo.(2)Itisnosurprise(2)Itisnosurprisethatourteamshouldthatourteamshouldhavewonthegame.havewonthegame.33、、It+be+It+be+过去分词过去分词+that+that从句从句Itissaidthat–clauseItissaidthat–clausereportedreportedthoughtthoughthopedhopedbelievedbelievedknownknown(1)Itissaid(1)Itissaidthatheisthebestthatheisthebeststudentintheclass.studentintheclass.(2)Itisthought(2)ItisthoughtthatJoedrivesthatJoedrivesbadly.badly.44、、It+seem,happen,appearIt+seem,happen,appear等不及物等不及物动词动词+that+that从句。从句。(1)Itseems(1)ItseemsthatAliceisnotcomingtothatAliceisnotcomingtothepartyatall.thepartyatall.(2)Ithappened(2)IthappenedthatIwasoutthatday.thatIwasoutthatday.(1)Thiswas(1)ThiswaswhatTomwasreading.whatTomwasreading.(2)Thetruthis(2)ThetruthisthatIhaveneverbeenthere.thatIhaveneverbeenthere.(3)Itlooks(3)Itlooksasifitisgoingtorain.asifitisgoingtorain.(4)Thereasonwhyhewaslatewas(4)Thereasonwhyhewaslatewasthathegotthathegotuplate.uplate.(5)Thisis(5)Thisishowweovercamethedifficulties.howweovercamethedifficulties.(6)Thatis(6)Thatiswhyshewasabsentyesterday.whyshewasabsentyesterday.(7)Thehouseis(7)ThehouseiswhereLuXunoncelived.whereLuXunoncelived.22、表语从句：、表语从句：比较下列两句话：比较下列两句话：IsitIs...
