什么叫名詞性從句？在句子中起名詞作用的句子叫名詞從句(NounClauses）名詞從句的功能相當(dāng)于名詞詞組,它在復(fù)合句中能擔(dān)任主語、賓語、表語、同位語等因此根據(jù)它在句中不同的語法功能，名詞從句又可分別稱為主語從句、賓語從句、表語從句和同位語從句什么叫名詞性從句？1

名詞性從句

nounclause

主語從句subjectclause

賓語從句objectclause

表語從句predicativeclause

同位語從句appositiveclause名詞性從句主語從句賓語從句表語從句2名詞性從句中的連接詞連詞:

that/whether/asif(though);連接代詞:what/who/which/whose/whatever/whoever/whomever/whichever，連接副詞:where/when/why/how/wherever/whenever名詞性從句中的連接詞3PredicativeClauses

表語從句PredicativeClauses

表4Eg.（例子）Thepersonstoodinfrontofyoujustnowis

myheadmaster.

剛才站在你前面的那個人是我的校長。Ididn’tknowthatitwas

youatthattime.

當(dāng)時我不知道那是你。Thedoorremained

closed.

門仍然關(guān)著。Mary’sdailyjobis

cleaningthehouse.

瑪麗的日常工作就是打掃這間房子。名詞充當(dāng)表語代詞充當(dāng)表語動詞過去分詞充當(dāng)表語動詞-ing形式充當(dāng)表語Eg.（例子）名詞充當(dāng)表語代詞充當(dāng)表語動詞過去分詞充當(dāng)表語5Thehouseisnotonly

large

butalso

beautiful.

這所房子不僅大而且漂亮。WhenIwenttoyourhouse,youwere

out.

當(dāng)我到你家的時候，你不在家。Noonewas

inthedorm,whenshearrived.

當(dāng)她到達(dá)的時候，宿舍里沒有人。Myjobisto

teachyouEnglish.

我的工作是教你們英語。Thereasonwhyhecamelatewas

thathisclockdidn’twork.

他遲到的原因是他的鬧鐘壞了。介詞短語充當(dāng)表語副詞充當(dāng)表語形容詞充當(dāng)表語不定式充當(dāng)表語從句充當(dāng)表語Thehouseisnotonlylargebu6表語結(jié)構(gòu)：放在系動詞之后作用：說明主語的身份、性質(zhì)、品性、特征和狀態(tài)的成分：表語常由名詞、代詞、形容詞、副詞、介詞短語、不定式、動詞的-ing、數(shù)詞及從句來充當(dāng)。1.ThisisanEnglish-Chinesedictionary.2.Thedinnersmellsgood.3.Hefellinlove.4.MyjobistoteachyouEnglish.5.Thequestioniswhowilldoit.

表語從句表語結(jié)構(gòu)：放在系動詞之后表語從句7表語從句的定義Thequestioniswhowilldoit.Thequestionisdifficult.（表）表語從句（表）表語從句的定義Thequestioniswhowil8表語從句的定義：表語從句在復(fù)合句中作主句的表語。表語從句和主語指同一內(nèi)容，它對主語進(jìn)行解釋、說明，使主語的內(nèi)容具體化。結(jié)構(gòu)是“主語+系動詞+引導(dǎo)詞+簡單句（表語從句）”?？梢越颖碚Z從句的系動詞有be,look,remain,seem等。Definition（定義）表語從句的定義：表語從句在復(fù)合句中作主句的表語。表語從句和主9可以接表語從句的系動詞有：1:be動詞2:感官動詞：feel,seem,look,appear,sound,taste,smell3:表示狀態(tài)：remain,keep,stay4:表示變化：become,get,grow,turn,go,fall5:證明：

prove,turnout

系動詞的固定搭配:cometrue,fallasleep,fallill,gobad可以接表語從句的系動詞有：10連接詞：that/whether/asif/asthough連接代詞：who/whom/whose/which/what連接副詞：when/where/why/how/because

引導(dǎo)詞連接詞：that/whether/asif/as11觀察思考：指出句子成分Henry

was

anAmericanbusinessman.Henry

met

anAmericanbusinessman.

主語

表語主語謂語

賓語（及物動詞）連系動詞觀察思考：指出句子成分HenrywasanAm122.表語從句的構(gòu)成主語+系動詞+引導(dǎo)詞

+簡單句Thisiswhyhedidit.表語從句放在連系動詞之后，充當(dāng)復(fù)合句中的表語。WhatIwanttosayis

that

Iamtired2.表語從句的構(gòu)成主語+系動詞+引導(dǎo)詞+簡單13Predictiveclause表語從句1.that1)that在從句中不擔(dān)任句子成分，無實(shí)際意義，一般不能省略2)在表“建議，勸說，命令”的名詞idea,suggestion,request,proposal

等后面的表語從句中，謂語動詞用“should+動詞原形”（虛擬語氣），should可省略Myopinionisthatit’sgettingbetterandbetter.Mysuggesstionisthatwe(should)startearlytomorrow.引導(dǎo)詞的用法（一）Predictiveclause表語從句引導(dǎo)詞的用法（一14名詞主語+be+that引起的表語從句主語名詞常常是表示事實(shí)，真理的名詞，如：fact,truth

表示看法，觀點(diǎn)、問題、麻煩的名詞，如：idea,opinion,belief,view,news,advice,

feeling,suggestion,plan,trouble,question,problem,1.Thefactisthatourteamhaswonthegame.2.Thetruthisthatshewastheverypersonwearelookingfor.名詞主語+be+that引起的表語從句主語名詞常常是1.Th15what在表語從句中充當(dāng)______________

表示____________________________.1.Thequestioniswhatcausedtheaccident.2.Thatmountainisnolongerwhatitusedtobe.3.Whathetoldyouwaswhathadbeendiscussedatthemeeting.主語、賓語或表語什么，什么樣子，或所…的（人或事）引導(dǎo)詞的用法（二）what在表語從句中充當(dāng)______________16who在表語從句中充當(dāng)______________表示____.Theproblemiswhocoulddothework2.Mytroubleiswho(whom)Icanturnto.主語、賓語或表語誰引導(dǎo)詞的用法（三）who在表語從句中充當(dāng)______________表示__17

which在引導(dǎo)表語從句時,常充當(dāng)_____________

表示

。如：

Ireadaboutitinsomebookoranother,butwhatIdon’tknowis

which(book)itis.

定語,表語其中哪一個引導(dǎo)詞的用法（四）which在引導(dǎo)表語從句時,常充當(dāng)__________18whether在表語從句中表

,但不充當(dāng)句子的成分。if

引導(dǎo)表語從句.如:

1.Whatthedoctorreallydoubtsis

whethermymotherwillrecoverfromtheseriousdiseasesoon.2.Thequestioniswhetheritisworthdoing.“是否”不能引導(dǎo)詞的用法（五）whether在表語從句中表,但不充當(dāng)19whether現(xiàn)在唯一要弄清楚的是他是否拐賣婦女兒童。他提出的第一個問題是：兒子無出息，父母也不光彩，是否如此？Allthatistobemadecleariswhetherheabductedandsoldwomenandchildren.Thefirstthingheputforwardswaswhetheraworthlesssonwasadisgracetohisparents.whether現(xiàn)在唯一要弄清楚的是他是否拐賣婦女兒童。All20asif,asthough

引導(dǎo)的表語從句asif/though引導(dǎo)的表語從句常置于連系動詞look,seem,sound,be,become等后面，常用虛擬語氣，表示不存在的動作或狀態(tài)。e.g.

Itsoundsasif/thoughsomebodywasknockingatthedoor.

主語+連系動詞（look/seem/appear……）+that/asif從句引導(dǎo)詞的用法（六）asif,asthough引導(dǎo)的表語從句主語+連系動21*asif/asthough引導(dǎo)的表語從句如果是事實(shí)，就用陳述語氣，如果與事實(shí)不符，就用虛擬語氣(主句一般現(xiàn)在時，從句就用一般過去時，be的話變成were。主句是一般過去時，從句用過去完成時)。Itlooksasifhewereherownfather.(與事實(shí)不符)Darkcloudsaregathering.Itlooksasifit’sgoingtorain.*asif/asthough引導(dǎo)的表語從句如果是事實(shí)，就22As/asif、asthough形勢并不像外表所看到的那樣。她看上去很擔(dān)憂他父母的病情。他好像瘋了似的。Thesituationisnotasitseemstobe.Shelooksasifsheisworriedaboutherfather’sdisease.Itwasasthoughheweremad.As/asif、asthough形勢并不像外表所看到23becausebecause引導(dǎo)表語從句通常只用于“This/That/Itisbecause…”結(jié)構(gòu)中。Myangerisbecauseyouhaven’twrittentomeforalongtime.你為什么不來出席座談會？是病了么？Whywereyouabsentfromtheforum?Wasitbecauseyouwereill?引導(dǎo)詞的用法（七）becausebecause引導(dǎo)表語從句通常只用于“This24that,why

與

because

引導(dǎo)表語從句時的區(qū)別

雖然三者均可引導(dǎo)表語從句，但

that

沒有詞義，而

why

和

because

有自己的意思；另外，雖然

why和

because

都可引導(dǎo)表語從句，但前者強(qiáng)調(diào)結(jié)果，后者強(qiáng)調(diào)原因。如：Thereasonwasthatyoudon’ttrusther.

原因是你不信任她。Thefactisthattheyareangrywitheachother.

事實(shí)是他們生彼此的氣。Hewasill.That’swhyhewassenttothehospital.

他病了，所以被送到醫(yī)院來。Hewassenttothehospital.That’sbecausehewasill.

他被送到醫(yī)院，是因?yàn)樗×?。that,why

與

because

引導(dǎo)表語從句時的區(qū)別25填空:Thereasonwhywedidn'ttrusthimis______hehasoftenlied．reason做主語時，表語從句只能用that引導(dǎo),不能用why引導(dǎo)。句型結(jié)構(gòu)為：

Thereason(why…/for…)is/wasthat….Thereasonisthat……thatThereasonwhyhewaslatewasthathemissedthetrainbyoneminutethismorning（當(dāng)主語是reason時，表語從句要用that引導(dǎo)而不是because）他早上來晚的原因是他晚了一分鐘而沒趕上火車。填空:Thereasonwhywedidn'tt26注意：主語為reason時，表語從句連接詞用that,但以it,this,that開頭做主語的句子，則可用because。

Thereasonforhisbeinglatewasthathemissedtheearlybus.Shewaslatethismorning.Thatwasbecauseshemissedtheearlybus.

*Thereason____hewaslatewasthathemissedtheearlybus.why注意：主語為reason時，表語從句連接詞用that,但27例題2：Thereasonwhyhefailedis________hewastoocareless.A.becauseB.thatC.forD.becauseof

B注意點(diǎn)2：

主句主語為reason,只能用that引導(dǎo)表語從句，不可用because.例題2：B注意點(diǎn)2：28連接代詞who,whom,whose,what,which,whoever,whatever,whichever連接副詞where,when,how,why。Theproblemiswhowecangettoreplaceher.問題是我們能找到誰去替換她呢。

Thequestionishowhedidit.

問題是他是如何做此事的。Thatwaswhatshedidthismorningonreachingtheattic.那就是她今晨上了閣樓干的。Thatiswherehewasborn.那就是他出生的地方。連接代詞who,whom,whose,what,wh29where,when,why,how引導(dǎo)的表語從句連接副詞where,when,why,how除在句中起連接作用外，在從句中還充當(dāng)時間、地點(diǎn)、方式、原因狀語，本身具有詞義。e.g.That’swhereIcan’tagreewithyou.ThisiswhySarawaslateforthemeeting.Thisishowtheyovercomethedifficulties.MystrongestmemoryiswhenIattendedanAmericanwedding.where,when,why,how引導(dǎo)的表語從句30問題在于如何使古為今用，如何使洋為中用。那時我在管伙食。根本問題就在這里。他不應(yīng)該被貪污論罪，道理就在這里。ThequestionishowthepastismadetoservethepresentandforeignthingsaremadetoserveChina.ThatwaswhenIwasinchargeofmess.Thisiswherethebasiclies.Itwaswhyheshouldnotbefoundofcorruption.問題在于如何使古為今用，如何使洋為中用。Thequesti311、名詞主語＋be＋wh-疑問詞引導(dǎo)的從句

Thetroubleiswherewecangetthethingsweneed.2、wh-引導(dǎo)的主語從句＋be＋that從句

Whatsurprisedmemostwasthatallthepupilswereunusuallyquiet.3、This/That＋be＋wh-疑問詞引導(dǎo)的從句

ThisishowyoumaketheItalianpizza.表語從句的常用句型：1、名詞主語＋be＋wh-疑問詞引導(dǎo)的從句表語從句的常用句型32表語從句引導(dǎo)詞注意事項(xiàng)1.that引導(dǎo)表語從句時不能省.2.if不能引導(dǎo)表語從句.3.除that外的所有引導(dǎo)詞都有自己的意義。4.除that,whether外的所有引導(dǎo)詞都須在從句中充當(dāng)相應(yīng)的成分

5.表語從句中，從句用陳述句語序表語從句引導(dǎo)詞注意事項(xiàng)1.that引導(dǎo)表語從句時不能省.331.---Areyoustillthinkingaboutyesterday'sgame?---Oh,that's_______.

A.whatmakesmefeelexcited

B.whateverIfeelexcitedabout

C.howIfeelaboutitD.whenIfeelexcited

A解析：這是由what引導(dǎo)的一個表語從句，在從句中充當(dāng)主語，這句話的意思為：那是使我感到興奮的事。故答案為A。1.---Areyoustillthinkingab342.---IdrovetoZhuhaifortheairshowlastweek.---Isthat_______youhadafewdaysoff?A.whyB.whenC.whatD.where

解析:這是一個由why引導(dǎo)的表語從句,表示原因.這句話的意思是"這就是你離開的原因嗎?"。故答案為A。A2.---IdrovetoZhuhaiforthe353.Whenyouanswerquestionsinajobinterview,pleaserememberthegoldenrule:Alwaysgivethemonkeyexactly_______hewants.A.whatB.whichC.whenD.that解析:這是一個賓語從句,wants后面缺少賓語,Alwaysgivethemonkeyexactlywhathewants是一句諺語,意思是"永遠(yuǎn)給予他人他確實(shí)想要的東西"。故答案為A。A3.Whenyouanswerquestionsin36小結(jié)：1.表語從句的構(gòu)成:引導(dǎo)詞+簡單句2.引導(dǎo)詞:｛連詞that,whether,as,asif

連接代詞who,what,which連接副詞when,where,how,why3.3個注意點(diǎn):①if不引導(dǎo)表語從句②主語為reason時，引導(dǎo)詞用that③語序小結(jié)：1.表語從句的構(gòu)成:引導(dǎo)詞+簡單句2.引導(dǎo)詞:｛371.Thequestionis________wewillhaveoursportsmeetnextweek.thatB.ifC.whenD.whether2．Thereasonwhyhefailedis________hewastoocareless.becauseB.thatC.forD.becauseof3.Goandgetyourcoat.It’s________youleftit

whereB.thereC.therewhereD.wherethere1.Thequestionis________we384．Theproblemis_________totaketheplaceofTedA.whocanwegetB.whatwecangetC.whowecangetD.thatwecanget5.WhatIwanttoknowis______helikesthegiftgivenbyus.that B.if C.whether D.不填6.Thereasonis_________Imissedthebus.A.thatB.whenC.whyD.what4．Theproblemis_________tot39什么叫名詞性從句？在句子中起名詞作用的句子叫名詞從句(NounClauses）名詞從句的功能相當(dāng)于名詞詞組,它在復(fù)合句中能擔(dān)任主語、賓語、表語、同位語等因此根據(jù)它在句中不同的語法功能，名詞從句又可分別稱為主語從句、賓語從句、表語從句和同位語從句什么叫名詞性從句？40

名詞性從句

nounclause

主語從句subjectclause

賓語從句objectclause

表語從句predicativeclause

同位語從句appositiveclause名詞性從句主語從句賓語從句表語從句41名詞性從句中的連接詞連詞:

that/whether/asif(though);連接代詞:what/who/which/whose/whatever/whoever/whomever/whichever，連接副詞:where/when/why/how/wherever/whenever名詞性從句中的連接詞42PredicativeClauses

表語從句PredicativeClauses

表43Eg.（例子）Thepersonstoodinfrontofyoujustnowis

myheadmaster.

剛才站在你前面的那個人是我的校長。Ididn’tknowthatitwas

youatthattime.

當(dāng)時我不知道那是你。Thedoorremained

closed.

門仍然關(guān)著。Mary’sdailyjobis

cleaningthehouse.

瑪麗的日常工作就是打掃這間房子。名詞充當(dāng)表語代詞充當(dāng)表語動詞過去分詞充當(dāng)表語動詞-ing形式充當(dāng)表語Eg.（例子）名詞充當(dāng)表語代詞充當(dāng)表語動詞過去分詞充當(dāng)表語44Thehouseisnotonly

large

butalso

beautiful.

這所房子不僅大而且漂亮。WhenIwenttoyourhouse,youwere

out.

當(dāng)我到你家的時候，你不在家。Noonewas

inthedorm,whenshearrived.

當(dāng)她到達(dá)的時候，宿舍里沒有人。Myjobisto

teachyouEnglish.

我的工作是教你們英語。Thereasonwhyhecamelatewas

thathisclockdidn’twork.

他遲到的原因是他的鬧鐘壞了。介詞短語充當(dāng)表語副詞充當(dāng)表語形容詞充當(dāng)表語不定式充當(dāng)表語從句充當(dāng)表語Thehouseisnotonlylargebu45表語結(jié)構(gòu)：放在系動詞之后作用：說明主語的身份、性質(zhì)、品性、特征和狀態(tài)的成分：表語常由名詞、代詞、形容詞、副詞、介詞短語、不定式、動詞的-ing、數(shù)詞及從句來充當(dāng)。1.ThisisanEnglish-Chinesedictionary.2.Thedinnersmellsgood.3.Hefellinlove.4.MyjobistoteachyouEnglish.5.Thequestioniswhowilldoit.

表語從句表語結(jié)構(gòu)：放在系動詞之后表語從句46表語從句的定義Thequestioniswhowilldoit.Thequestionisdifficult.（表）表語從句（表）表語從句的定義Thequestioniswhowil47表語從句的定義：表語從句在復(fù)合句中作主句的表語。表語從句和主語指同一內(nèi)容，它對主語進(jìn)行解釋、說明，使主語的內(nèi)容具體化。結(jié)構(gòu)是“主語+系動詞+引導(dǎo)詞+簡單句（表語從句）”?？梢越颖碚Z從句的系動詞有be,look,remain,seem等。Definition（定義）表語從句的定義：表語從句在復(fù)合句中作主句的表語。表語從句和主48可以接表語從句的系動詞有：1:be動詞2:感官動詞：feel,seem,look,appear,sound,taste,smell3:表示狀態(tài)：remain,keep,stay4:表示變化：become,get,grow,turn,go,fall5:證明：

prove,turnout

系動詞的固定搭配:cometrue,fallasleep,fallill,gobad可以接表語從句的系動詞有：49連接詞：that/whether/asif/asthough連接代詞：who/whom/whose/which/what連接副詞：when/where/why/how/because

引導(dǎo)詞連接詞：that/whether/asif/as50觀察思考：指出句子成分Henry

was

anAmericanbusinessman.Henry

met

anAmericanbusinessman.

主語

表語主語謂語

賓語（及物動詞）連系動詞觀察思考：指出句子成分HenrywasanAm512.表語從句的構(gòu)成主語+系動詞+引導(dǎo)詞

+簡單句Thisiswhyhedidit.表語從句放在連系動詞之后，充當(dāng)復(fù)合句中的表語。WhatIwanttosayis

that

Iamtired2.表語從句的構(gòu)成主語+系動詞+引導(dǎo)詞+簡單52Predictiveclause表語從句1.that1)that在從句中不擔(dān)任句子成分，無實(shí)際意義，一般不能省略2)在表“建議，勸說，命令”的名詞idea,suggestion,request,proposal

等后面的表語從句中，謂語動詞用“should+動詞原形”（虛擬語氣），should可省略Myopinionisthatit’sgettingbetterandbetter.Mysuggesstionisthatwe(should)startearlytomorrow.引導(dǎo)詞的用法（一）Predictiveclause表語從句引導(dǎo)詞的用法（一53名詞主語+be+that引起的表語從句主語名詞常常是表示事實(shí)，真理的名詞，如：fact,truth

表示看法，觀點(diǎn)、問題、麻煩的名詞，如：idea,opinion,belief,view,news,advice,

feeling,suggestion,plan,trouble,question,problem,1.Thefactisthatourteamhaswonthegame.2.Thetruthisthatshewastheverypersonwearelookingfor.名詞主語+be+that引起的表語從句主語名詞常常是1.Th54what在表語從句中充當(dāng)______________

表示____________________________.1.Thequestioniswhatcausedtheaccident.2.Thatmountainisnolongerwhatitusedtobe.3.Whathetoldyouwaswhathadbeendiscussedatthemeeting.主語、賓語或表語什么，什么樣子，或所…的（人或事）引導(dǎo)詞的用法（二）what在表語從句中充當(dāng)______________55who在表語從句中充當(dāng)______________表示____.Theproblemiswhocoulddothework2.Mytroubleiswho(whom)Icanturnto.主語、賓語或表語誰引導(dǎo)詞的用法（三）who在表語從句中充當(dāng)______________表示__56

which在引導(dǎo)表語從句時,常充當(dāng)_____________

表示

。如：

Ireadaboutitinsomebookoranother,butwhatIdon’tknowis

which(book)itis.

定語,表語其中哪一個引導(dǎo)詞的用法（四）which在引導(dǎo)表語從句時,常充當(dāng)__________57whether在表語從句中表

,但不充當(dāng)句子的成分。if

引導(dǎo)表語從句.如:

1.Whatthedoctorreallydoubtsis

whethermymotherwillrecoverfromtheseriousdiseasesoon.2.Thequestioniswhetheritisworthdoing.“是否”不能引導(dǎo)詞的用法（五）whether在表語從句中表,但不充當(dāng)58whether現(xiàn)在唯一要弄清楚的是他是否拐賣婦女兒童。他提出的第一個問題是：兒子無出息，父母也不光彩，是否如此？Allthatistobemadecleariswhetherheabductedandsoldwomenandchildren.Thefirstthingheputforwardswaswhetheraworthlesssonwasadisgracetohisparents.whether現(xiàn)在唯一要弄清楚的是他是否拐賣婦女兒童。All59asif,asthough

引導(dǎo)的表語從句asif/though引導(dǎo)的表語從句常置于連系動詞look,seem,sound,be,become等后面，常用虛擬語氣，表示不存在的動作或狀態(tài)。e.g.

Itsoundsasif/thoughsomebodywasknockingatthedoor.

主語+連系動詞（look/seem/appear……）+that/asif從句引導(dǎo)詞的用法（六）asif,asthough引導(dǎo)的表語從句主語+連系動60*asif/asthough引導(dǎo)的表語從句如果是事實(shí)，就用陳述語氣，如果與事實(shí)不符，就用虛擬語氣(主句一般現(xiàn)在時，從句就用一般過去時，be的話變成were。主句是一般過去時，從句用過去完成時)。Itlooksasifhewereherownfather.(與事實(shí)不符)Darkcloudsaregathering.Itlooksasifit’sgoingtorain.*asif/asthough引導(dǎo)的表語從句如果是事實(shí)，就61As/asif、asthough形勢并不像外表所看到的那樣。她看上去很擔(dān)憂他父母的病情。他好像瘋了似的。Thesituationisnotasitseemstobe.Shelooksasifsheisworriedaboutherfather’sdisease.Itwasasthoughheweremad.As/asif、asthough形勢并不像外表所看到62becausebecause引導(dǎo)表語從句通常只用于“This/That/Itisbecause…”結(jié)構(gòu)中。Myangerisbecauseyouhaven’twrittentomeforalongtime.你為什么不來出席座談會？是病了么？Whywereyouabsentfromtheforum?Wasitbecauseyouwereill?引導(dǎo)詞的用法（七）becausebecause引導(dǎo)表語從句通常只用于“This63that,why

與

because

引導(dǎo)表語從句時的區(qū)別

雖然三者均可引導(dǎo)表語從句，但

that

沒有詞義，而

why

和

because

有自己的意思；另外，雖然

why和

because

都可引導(dǎo)表語從句，但前者強(qiáng)調(diào)結(jié)果，后者強(qiáng)調(diào)原因。如：Thereasonwasthatyoudon’ttrusther.

原因是你不信任她。Thefactisthattheyareangrywitheachother.

事實(shí)是他們生彼此的氣。Hewasill.That’swhyhewassenttothehospital.

他病了，所以被送到醫(yī)院來。Hewassenttothehospital.That’sbecausehewasill.

他被送到醫(yī)院，是因?yàn)樗×?。that,why

與

because

引導(dǎo)表語從句時的區(qū)別64填空:Thereasonwhywedidn'ttrusthimis______hehasoftenlied．reason做主語時，表語從句只能用that引導(dǎo),不能用why引導(dǎo)。句型結(jié)構(gòu)為：

Thereason(why…/for…)is/wasthat….Thereasonisthat……thatThereasonwhyhewaslatewasthathemissedthetrainbyoneminutethismorning（當(dāng)主語是reason時，表語從句要用that引導(dǎo)而不是because）他早上來晚的原因是他晚了一分鐘而沒趕上火車。填空:Thereasonwhywedidn'tt65注意：主語為reason時，表語從句連接詞用that,但以it,this,that開頭做主語的句子，則可用because。

Thereasonforhisbeinglatewasthathemissedtheearlybus.Shewaslatethismorning.Thatwasbecauseshemissedtheearlybus.

*Thereason____hewaslatewasthathemissedtheearlybus.why注意：主語為reason時，表語從句連接詞用that,但66例題2：Thereasonwhyhefailedis________hewastoocareless.A.becauseB.thatC.forD.becauseof

B注意點(diǎn)2：

主句主語為reason,只能用that引導(dǎo)表語從句，不可用because.例題2：B注意點(diǎn)2：67連接代詞who,whom,whose,what,which,whoever,whatever,whichever連接副詞where,when,how,why。Theproblemiswhowecangettoreplaceher.問題是我們能找到誰去替換她呢。

Thequestionishowhedidit.

問題是他是如何做此事的。Thatwaswhatshedidthismorningonreachingtheattic.那就是她今晨上了閣樓干的。Thatiswherehewasborn.那就是他出生的地方。連接代詞who,whom,whose,what,wh68where,when,why,how引導(dǎo)的表語從句連接副詞where,when,why,how除在句中起連接作用外，在從句中還充當(dāng)時間、地點(diǎn)、方式、原因狀語，本身具有詞義。e.g.That’swhereIcan’tagreewithyou.ThisiswhySarawaslateforthemeeting.Thisishowtheyovercomethedifficulties.MystrongestmemoryiswhenIattendedanAmericanwedding.where,when,why,how引導(dǎo)的表語從句69問題在于如何使古為今用，如何使洋為中用。那時我在管伙食。根本問題就在這里。他不應(yīng)該被貪污論罪，道理就在這里。ThequestionishowthepastismadetoservethepresentandforeignthingsaremadetoserveChina.ThatwaswhenIwasinchargeofmess.Thisiswherethebasiclies.Itwaswhyheshouldnotbefoundofcorruption.問題在于如何使古為今用，如何使洋為中用。Thequesti701、名詞主語＋be＋wh-疑問詞引導(dǎo)的從句

Thetroubleiswherewecangetthethingsweneed.2、wh-引導(dǎo)的主語從句＋be＋that從句

Whatsurprisedmemostwasthatallthepupilswereunusuallyquiet.3、This/That＋be＋wh-疑問詞引導(dǎo)的從句

Thisishow