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名詞性從句在英語的句子結(jié)構(gòu)中,本來該由名詞充當(dāng)?shù)闹髡Z、賓語、表語和同位語,由一個句子來充當(dāng),這個句子就叫名詞性從句。什么是名詞性從句?名詞性從句主語從句(TheSubjectClause)賓語從句(TheObjectClause)

表語從句(ThePredicativeClause)同位語從句(TheAppositiveClause)請判斷出下列的句子哪部分是從句,并判斷屬于哪種從句:1.WhatIwanttodoistakingabath.2.Thenewsthattheywonthegamespreadthewholeschool.3.Idon’tthink(that)heisanhonestboy.4.Thefactisthathestolethecar.5.Doyouknowthefactthathestolethecar?6.Doyouknowthemanwhoisstandingoverthere?7.Itissaidthattheywonthegame.(主從)(同位語從句)(賓從)(表從)(同位語從句)(定從)(主從)

連接代詞who,whom,whose,which,what,whatever連接副詞how,why,when,wherehowever,wherever連接詞that,whether,if,becauseasif/asthough(不充當(dāng)從句的任何成分)

引導(dǎo)名詞性從句的關(guān)聯(lián)詞Shesaid(that)sheisgoingtolearnEnglish.Iwanttoknowwhether/ifshestilllivesthere.Idon’tknowwhoallthesepeopleare.ShewantstoknowwhichfilmIlikebest.Pleasetellmewhereshelives.Iamnotinterestedinwhatheisdoing.Iamcertainthatheisathomenow.Iamafraidhewon’tcomeontime.賓語從句在句中充當(dāng)及物動詞,介詞或某些形容詞賓語的句子叫做賓語從句。賓語從句Idon’tknow(that)youwillcomehere.注意:that在從句中不充當(dāng)任何成分,在口語或非正式的文體中常常被省去。但如果從句是并列句時,第二個及以后的分句前that不可省.Weallagreed(that)itwouldbeamistakenottotakehisadvise.Weallthink(that)sheisworkinghardandthatshewillsurelygotoagoodcollege.我不知道他來不來。我想知道他來還是不來。你們是在談?wù)撝麃磉€是不來嗎?他不在乎天氣是否好。Idon’tknowwhether/ifhewillcome.Iwanttoknowwhetherhewillcomeornot.Areyoutalkingaboutwhetherhewillcome?Hedoesn’tcareifitisn’tafineday.注意:在賓語從句中,表示“是否”既可以用whether,也可以用if.但是,whether常與ornot連用;作介詞賓語只用whether;從句是否定句時一般用if。用合適的連接詞填空

1.WangHaitoldme_____hedidn'tgocyclingyesterdayafternoon.(how,why)2.Canyoutellme______elseisgoingtobeondutytoday?(who,whom)3.Shesaid_____itwouldn'tmattermuch.(that,if)4.Healwaysthinks______hecandobetter.(how,who)5.Ireallydon'tknow________thebridgewillbefinished.(howlong,howsoon)whywhothathowhowsoon6.Theydon'tknow__________wearegoinghiking.7.Shewantedtoknow___________hercoatwouldbereadythenextday.8.Iwasreallysurprisedat______Isaw.9.Idon'tknow______somanypeoplearecrowdingroundhim10.Doyouknow_________shirtitis?if/whetherif/whetherwhatwhywhose賓語從句中的否定轉(zhuǎn)移注意:如果賓語從句是由think,believe,imagine,suppose等詞引導(dǎo)的時候,要將從句中的否定形式轉(zhuǎn)移到主句中去。我認(rèn)為他不會對我撒謊的.我認(rèn)為我們不應(yīng)該借錢給他.Idon’tthinkhewilllietome.Idon’tthinkweshouldlendhimmoney.賓語從句中用it作形式賓語Wethink

it

ourduty

thatweshouldhelpothers.Ifind

it

impossiblethatheshouldfinishtheworkintwodays.注意:如果主句中有形容詞或名詞作賓語補(bǔ)足語時,一般用it來作形式賓語,把從句放在賓補(bǔ)后面。that不能省.believe,consider,feel,find,make,think賓語從句中謂語用shoulddo的情況:Thegeneralorderedthattroops(should)setoffatonce.Hesuggestedthatwe(should)allbuydictionaries.Iinsistedthathe(should)apologizetome.

表語從句在句中充當(dāng)表語的從句(即放在be動詞后面)叫做表語從句。我們的目的是他能認(rèn)識到錯誤。Ourpurposeisthathecanrealizehisfaults.注意:引導(dǎo)表語從句的連接詞一般不省略。問題是它是否值得做。Thequestioniswhetheritisworthdoing.注意:表語從句表示“是否”只用“whether”

而不用“if”試區(qū)分以下句子Isthismuseumwhatyouvisited?Isthisthemuseumthatyouvisited?Isthismuseumtheonethatyouvisited?注意:這種句子考試時一定要記住這句話:名詞前(尤其是單數(shù)可數(shù)名詞前)一定要有限定詞。然后把句子變換成陳述句,接著判斷句子是屬于哪種從句再完成。(表從)(定從)(定從)Itappearsthattheyareinneedofhelp.Ithappenedthathehadnomoneyonhim.Itseemsthathedoesn’tlikelivinghere.Itturnedoutthattwopeoplehadbeenkilledintheaccident.Thathouseis_______thegardentoolsarestored.ThereasonIdon’twanttogothereis______I’vejustgotanewjobhere.Thatwas______theyhadmadethemistake.Everythingintheroomis_____itwastenyearsago.ThedreamJackhasinmindis______hewillbecomeascientistinthefuture.wherethathowwhatthat6.Whatwecareaboutis_________itwillbeafinedaytomorrow.7.Thatwas____theydidn’tpaymuchattentiontotheteacherinclass.8.Myopinionis_____everyoneofustakesout$5forJane’sbirthdaypresent.9.Theproblemis________wecanbeallowedtostayoutatsuchalatehour.10.Herexplanationis______sheusedtoliveinthecountryandsheknowsitbetterthanus.

whetherwhythatwhetherthat問題是誰能幫我學(xué)英語.這就是她不愿意出國留學(xué)的原因.那就是我要告訴你的.問題是他是否會同意這個建議.ThequestioniswhocanhelpmewithmyEnglish.Thatiswhysheisunwillingtostudyabroad.ThatiswhatIwilltellyou.Thequestioniswhetherhewillagreewiththesuggestion.在句中充當(dāng)主語的從句叫做主語從句。他星期三來這里是肯定的。hewillcomehereonWednesdayiscertain.他星期三是否來這里還不肯定的。hewillcomehereonWednesdayisnotcertain.That主語從句

Whether

Whathesaidisnottrue.Whobrokethewindowhasnotbeenfoundout.Howheescapedisstillamystery.Whomsheborrowedmoneyfromstillpuzzledhim.Exercise1_______shesaidpuzzledhim._______shesaidsuchathingpuzzledhim._____________weshouldsendtotakepartinthepartyistobediscussed._______theydon’twanttodroptheplanisclear._______hefinishedtheworkinsoshorttimeremainsaquestion.________itisgoingtosnowthiseveningisnotcertain.WhatWhyWhom/whoThatHowWhetherExercise2_____________________________(她離開他)cuthimtothecut.______________________________________(月球上沒有生命)isknowntoall._________________________(我在會議上說的)mustbekeptsecret.______________________(是否這件事是真的)remainsaquestion.______________________________________(我們什么時候開會)istobediscussed.Thatshelefthim

Thatthereisnolifeonthemoon

WhatIsaidatthemeetingWhetheritistrueWhenwewillhavethemeetingThathecan’tattendthepartyisapity.Itisapitythathecan’tattendtheparty.Howmuchmoneyisneededishardtosay.Itishardtosayhowmuchmoneyisneeded.Thatthemoonmovesaroundtheearthisknowntoall.Itisknowntoallthatthemoonmovesaroundtheearth.it做形式主語It+be+形容詞+that從句Itisnecessarythat…有必要…Itisimportantthat….重要的是…Itisobviousthat……很明顯……It+be+-ed分詞+that從句Itisbelievedthat…人們相信…Itisknowntous/allthat….眾所周知…Ithasbeendecidedthat……已經(jīng)決定……用it形式主語的that從句有以下四種不同的搭配:It+be+名詞+that從句Itiscommonknowledgethat……是常識Itisasurprisethat….令人驚奇的是…Itisafactthat……事實是……It+不及物動詞+that從句Itappearsthat…似乎…Ithappensthat….碰巧…Itoccurredtomethat……我突然想起……Exercise3Itisawonder_____youweren'tinjured.Itisstillunknown______and______thistookplace.Itmakesnodifferencetome_________heisrichorpoor.Itisnotyetdecided_______istotakeherplaceassecretary.Itissaid______thisplazahas15cinemas.Itdoesn'tmatter_______youaregoingtodoit.thatwhenwherewhetherwhothatwhetherExercise4你昨天錯過了這部新的電影,真是太遺憾了。他們將要在這里建一個新的醫(yī)院是真的嗎?據(jù)說我們清明節(jié)要放三天假。4.他是否掙很多很多錢對我來說并不重要。Itisapitythatyoumissedthenewmovieyesterday.Isittruethattheyaregoingtosetupanewhospitalhere?Itissaidthatwe’lltakethreedaysoffonTombSweepingDay.Itisn’timportanttomewhetherhecanmakealotofmoney.同位語從句在句中用作同位語的從句叫做同位語從句。同位語從句一般放在如idea,news,fact,promise,suggestion,belief,truth等含有豐富內(nèi)涵的抽象的詞語后面,用來說明前面那個詞的具體內(nèi)容。一般說來,同位語從句都用that來作連接詞,而且不能省略。也可用how,when,where等。他給了她一個承諾,他會在兩個月后回來。Hegaveherapromisethathewouldcomebackaftertwomonths.試區(qū)分以下句子Doyouknowthefactthathestolethecar?Doyouknowthefactthattheyweretalkingabout?注意:1.如果是定語從句,它的從句肯定是不完整的,關(guān)系詞肯定在句中充當(dāng)成分的;而同位語從句中的that只起連接作用。

2.定語從句是對先行詞起修飾作用,而同位語從句則解釋說明先行詞的具體內(nèi)容。(同從)(定從)Tellthedifference1.Thenewsthattheplanewouldtakeoffontimemadeeverybodyhappy.2.Thenewsthatisspreadingaroundtheairportis

thataheavystormiscoming.3.Thesuggestionthatstudentsshould

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