高考語法一輪復習PredicativeClauses表語從句1.Thedefinitionofpredicativeclause.Thequestioniswhowilldoit.Thequestionisdifficult.在復合句中充當表語的從句叫表語從句。位于主句的系動詞之后，對主語進行解釋、說明，使主語的內(nèi)容具體化。表語從句必須用陳述語序。（表）（表）表語從句2.Thestructureofpredicativeclause.主語+系動詞+引導詞

+簡單句Thisiswhyhedidit.表語從句在復合句中，位于_________之后，充當________的名詞性從句稱作表語從句。表語系動詞可以接表語從句的系動詞有:be動詞:amisare;感官動詞：look，feel,sound,taste,smell;表象系動詞：seem（仿佛）,appear（似乎）持續(xù)性動詞：remain,keep,stay;變化系動詞：become,get,grow,turn,go,come,run,fall;終止系動詞：prove（證明是）,turnout（結果是）表語從句的概念連接詞從屬連詞在從句中不作成分that,whether,asif/asthough,because無含義/是否/似乎/好像連接代詞在從句中作主語、賓語、表語、定語what,who,whom,which,whatever,whoever,whomever,whicheverwhose連接副詞在從句中作狀語when,where,how,why表從中不用if考點一

知識點1表語從句的引導詞

表語從句的構成及引導詞引導表語從句的連接詞有三類：連詞that、whether，because,asif/though疑問代詞who,what,which，whom,whose,whatever,whoever,whomever,whichever;疑問副詞when,where,how,why，however,whenever,wherever等1.從屬連詞that引導的表語從句Thefactisthathewaslying.Thereasonisthattheynevergiveup.Hissuggestionisthatweshouldtellhim.

Oneideaisthatfishisthebestbrainfood.that僅起_______作用，______(有/無)詞義，______(是/否)充當句子成分，通常________(能/不能)省略。無不能否連接1.從屬連詞whether引導的表語從句Thequestionisifwecanfinishourwork.Thequestioniswhetherthefilmisworthwatching.

Thedoctor’sdoubtiswhethershewillsurvive.

whether起_________作用，意為“_______”，在句中_________(是/否)作成分。(注意：if______(能/不能)引導表語從句)。連接是否不不能2.連接代詞what(ever),which,who(ever),whom(ever),whose等引導的表語從句

Myhometownisnolongerwhatitusedtobe.

Theproblemiswhowecangettoreplaceher.Theproblemiswhoseworkisthebest.Thequestioniswhatcausedtheaccident.連接代詞在句中起_______作用，還在從句中還充當______、______、______、_______,______(有/無)意義，________(能/不能)省略。連接表語賓語定語主語有不能3.連接副詞when,where,how,why引導的表語從句Theproblemishowwecanfindhim.ThatiswhereIfirstmether.That'swhyIobjecttotheplan.Thanksgivingiswhenpeoplecelebratetheharvest.連接副詞在句中起________作用,還在從句中充當_______,_______，______，_______狀語，________(能/不能)省略。連接方式地點原因時間不能Thisis__________Iwant.MyEnglishislimited.Thisis_______IhatereadingEnglishbooks.Thevillageis_________Iusedtospendmyholiday.Itis___________Ireallylovethewayhebehaves.Thetroubleis__________weareshortoffunds.Myproblemis__________coatissuitableforme.I‘

d

like

to

startmyownbusiness—that’s________IwanttodoifIhadthemoney.WhatIwanttoknowis_______willsupportme.即學即練learningandpracticewhatwherewhybecausethatwhichwhatwho考點一

知識點2表語從句三大易混句式

表語從句的構成及引導詞主語為名詞reason時，表語從句的引導詞要用that，一般不用why或because。句式用法例句This/'Thatiswhy+結果意為"這那就是.....toworkthere.那就是的原因"，why引導表語從句。That'swhyIwantyoutoworkthere.我想要你在那兒工作的原因。This/That/It

isbecause+原因意為"這/那是因為.....，because引導表語從句。It'sjustbecausehe|doesn'tknowher.這這僅僅是因為他不認識她

。The

reasonwhy...isthat...意為".....的原因是…”，why引導定語從句,that引導表語從句。Thereasonwhyhedidn'tcomewasthatitwasrainingheavily.他沒有來的原因是(當時)雨下得很大。1.Hefailedintheexam.That's_______hefeltfrustrated.feltfrustrated.failedintheexam.why做成分(狀語)，有意義，不能省略1.表從中易錯連接詞whybecause2.Hefeltfrustrated.That's__________hefailedintheexam.because3.Thereasonwhyhefeltfrustratedwasthathefailedintheexam.考點一

知識點3表語從句中的虛擬語氣

表語從句的構成及引導詞as/asif/asthough引導的表語從句常跟在特定動詞后面，如seem，appear，look，taste，sound，feel等。當as/though引導的表語從句時，從句動作可根據(jù)動作發(fā)生的真實情況與否用虛擬語氣或真實語氣。Itseemsasifsomeoneisbakingacake.聞起來好像是有人在烤蛋糕。（根據(jù)氣味推斷，很可能真的有人在烤）主句主語是advice,suggestion,order,request,requirement,proposal,resolution(決心),idea,motion（提議）,command,desire（愿望）,wish,等名詞時，表語從句的謂語動詞常用“(should)+動詞原形”形式。Mysuggestionisthatwe(should)haveadiscussionaboutthismatterinsteadofjustlayingitaside.我的建議就是我們應當討論一下這個問題，而不是把它放在一邊。asif/asthough引導的表語從句如果與事實不符，用虛擬語氣;如果是事實或者有發(fā)生的可能性，用陳述語氣1.Itsoundsasifsomeone___knockingatthedoor.(與事實相符)2.Tomlikestotalkbigasifhe______(be)animportantperson.(對現(xiàn)在的虛擬，用一般過去時，be動詞用were)3.Hetalksasifhe_______becomepresidenttomorrow.(對將來的虛擬，用would/could/might/should+do)4.HetalkedaboutRomeasifhe__________(be)there.(對過去的虛擬，用haddone)iswerewouldhadbeen1.Thequestionis____wewillhaveoursportsmeetnextweek.A.thatB.ifC.whenD.whether2.Thereasonwhyhefailedis____hewastoocareless.A.becauseB.thatC.forD.becauseof3.Goandgetyourcoat.It's_____youleftit.A.whereB.thereC.therewhereD.wherethere課堂練習√√√【完成句子】thathedidn’treallytry

whetherthefilmisworthseeingitseemsasif1)Thefactwas_____________________________.

事實是他沒有真正地嘗試。2)Thequestionis____________________________.

問題是這部電影是否值得看。3)Now_______________shehadknownMillieforyears.

現(xiàn)在看起來好像她認識米莉已有好多年了。4)Myadviceisthatyou_____