Nounclausesas

thesubject主語從句Module3Nounclausesas主語從句Module3基本概念基本概念什么是主語主語：句子說明的人或事物,一般位于______。句首IlikeEnglish.Thetrainleft.什么是主語主語：句子說明的人或事物,一般位于______。Janeisgoodatplayingthepiano.Toseeistobelieve.Smokingisbadforhealth.Whathehassaidistrue.找出主語(名詞)

（不定式）（動名詞）(從句）Janeisgoodatplayingthepi

主語從句(SubjectClause)在句子中充當(dāng)主語的就是主語從句。主語從句(SubjectClause)在句子中充他通過了考試讓老師很高興。Hepassedtheexam.Itmadetheteacherhappy.Hepassedtheexammadetheteacherhappy.

Thathepassedtheexammadetheteacherhappy.理解主語從句他通過了考試讓老師很高興。理解主語從句他何時要來還不清楚。Whenwillhecome?Itisnotclear.Whenwillhecomeisnotclear.

Whenhewillcomeisnotclear.理解主語從句他何時要來還不清楚。理解主語從句Thathewillsucceediscertain.Whetherhewillcomemakesnodifference.Whatweneedismoretime.找出主語從句Tip:先找謂語ThathewillsucceediscertThathewillcomeiscertain.Whetherhewillcomeisuncertain.引導(dǎo)詞1)從屬連詞that和whether：_____不做成分，無意義，不能省略。whether不做成分，表“_______”。that是否Thathewillcomeiscertain.引1.Thequestionis________thefilmisworthseeing.2.________weshallattendthemeetinghasn'tbeendecidedyet.3._____theyarebadlyinneedofhelp(他們很需要幫助)

isquiteclear.用that/whether/if填空whetherWhetherThat1.Thequestionis________the

×Correctornot?Payattention:由that引導(dǎo)的主語從句放在句首，that不能省略。Thathewillgiveup………*Hewillgiveuphisjobsurprisesallofus.×Correctornot?Payattention*

Ifwewillhaveameetinghasn’tbeendecidedyet.×Correctornot?Whetherwewill………….decidedyet.Payattention:放在名詞性從句句首，表示“是否”，只能用whether,不能用if*IfwewillhaveameetinghaWhowillgomakesnodifference.Whatweneedismoretime.WhichbookIshallchoosehasn’tbeendecided.2)連接代詞who,what,which,whose引導(dǎo)詞連接代詞不但起連接作用，也在從句中作名詞或代詞所作的成分，如主語、賓語、表語、定語。缺少連接代詞，從句不完整。Whowillgomakesnodifferentalkabouttheuseofcellphone

____theyaretalkingabout

istheuseofcellphone.MakeasentenceWhattalkabouttheuseof____the

×Correctornot?Payattention:此主語從句缺少成分-賓語，故用作成分的what來引導(dǎo)，而不用that。Whatshewantstoknowis…….*Thatshewantstoknowiswhenthepartywillbeheld.10×Correctornot?PayattentionWhoevercomesiswelcome.WhateverIhaveisyours.Whicheveryouwantisyours.3)連接代詞whoever,whatever,whichever引導(dǎo)詞

whatever=anythingthatwhoever=anyonewhoWhoevercomesiswelcome.3)連接代Whenwewillleavehasn’tbeendecided.Howshekeepshealthyisasecret.Whyhecriesisnotclear.Wherethemeetingwillbeheldisnotknown.4)連接副詞when,where,why,how引導(dǎo)詞連接副詞在句中不但起連接作用，也在從句中作狀語，表示時間、地點、原因和方式。Whenwewillleavehasn’tbeen1.引導(dǎo)詞：從屬連詞that,whether；

連接代詞who,what,which,whose；

whoever,whatever,whichever;

連接副詞when,where,why,how;2.語序：陳述句語序主語從句的特點：1.引導(dǎo)詞：主語從句的特點：Itiscertainthathewillwinthematch.Thathewillwinthematchiscertain.

注解：一般來說主語從句都是放在

,但有時為了使句子

,避免”頭重腳輕”,常用

作

，從而把主語從句放在

．

句首保持平衡

it

形式主語后面Itiscertainthathewillwin這樣就構(gòu)成了下面一些常用句型:

1)Itis+n.+that

Itisapity/shamethat...可惜的是……

Itisasurprisethat…令人吃驚的是…

Itisafactthat…事實是…Itiscommonknowledgethat……是常識

*_______________(很可惜)welostthematch.*______________(這是事實)hecheatedintheexam.ItisapitythatItisafactthat這樣就構(gòu)成了下面一些常用句型:Itisapityt1.令人吃驚的是他改變了主意。

Itisasurprisethathechangedhismind.2.真可惜你錯過了這么一個好機會。

Itisapitythatyoumissedsuchagoodchance.3.事實是我們周圍的污染正變得越來越嚴(yán)重。

Itisafactthatthepollutionaroundusisbecomingmoreandmoreserious.1.令人吃驚的是他改變了主意。2)Itis+adj.+that

It’scertainthat…肯定…

Itispossible/likelythat...很可能……Itisobvious/clearthat…很明顯…Itistruethat…的確…

Itisnecessary\important\natural\...that…*_______________(很可能)shewillcomebacktomorrow.*_______________(很明顯)heisanEnglish.+(should)+do…ItispossiblethatItisobviousthat2)Itis+adj.+that+(should)1.很可能他會申請這項工作的。

Itislikelythathewillapplyforthejob.2.的確我犯了個錯誤。

ItistruethatImadeamistake.3.有必要我們要學(xué)習(xí)英語。

ItisnecessarythatweshouldlearnEnglish.1.很可能他會申請這項工作的。3)It+不及物動詞+thatIthappenedthat...碰巧……

Itoccurredtomethat…我突然想起…Itappears/seemsthat…似乎，好像…Itturnedoutthat…原來…*________________(剛好)Iwasoutyesterday.*____________________(我突然想起)Iforgottosenttheletter.IthappenedthatItoccurredtomethat3)It+不及物動詞+thatIthappened1.好像是我錯了。

ItappearsthatIamwrong.2.碰巧他得去參加一個會議。

Ithappenedthathehadtoattendameeting.3.我突然想起他會說英語。

ItoccurstomethathecanspeakEnglish.4.原來他是Mary的朋友。

ItturnedoutthathewasMary’sfriend.1.好像是我錯了。4)It+be+過去分詞+從句Itissaidthat...據(jù)說……Itisknowntoallthat...眾所周知……Itisreportedthat...據(jù)報道……Itisbelievedthat...據(jù)相信……;人們相信……Itissuggestedthat+(should）do...

建議……*_________________(據(jù)報道)20peoplewerekilledintheaccident.*__________________(建議)weshouldeatmorevegetableanddomoreexercise.ItisreportedthatItissuggestedthat4)It+be+過去分詞+從句Itisrepo1.據(jù)說他已經(jīng)去了上海。It’ssaidthathehasgonetoShanghai.2.眾所周知臺灣是中國的一部分.ItisknowntoallthatTaiwanispartofChina.3.有人建議我們應(yīng)該多做運動。Itissuggestedthatweshouldtakemoreexercise.1.據(jù)說他已經(jīng)去了上海。主語從句的規(guī)律主語從句的規(guī)律例1.Whenwillhecomeisnotknown.規(guī)律一、主語從句一律用陳述語序，即主語在前，謂語在后。正：Whenhewillcomeisnotknown.例1.Whenwillhecomeisnotkn例2.Hewillnotcometothemeetingthiseveningistrue.正：Thathewillnotcometothemeetingthiseveningistrue.規(guī)律二、連詞that在從句中無實際意義，但不能省略。例2.Hewillnotcometotheme例3.Ifthemeetingwillbeputoffhasnotbeendecidedyet.正：Whetherthemeetingwillbeputoffhasnotbeendecidedyet.規(guī)律三、whether可以引導(dǎo)主語從句，放在句首，但if不能例3.Ifthemeetingwillbepu例4.

Whenhewillcomeareapuzzle.正：Whenhewillcomeisapuzzle.規(guī)律四、主語從句的謂語動詞多用單數(shù)第三人稱形式。例4.WhenhewillcomeareapuWhenthemeetingwillbegin_____(have)notbeendecidedyet.hasWhentheywillstartandwheretheywillgo_____(be)stillunknown.Whenandwherethemeetingwillbegin_____(have)notbeendecidedyet.arehasWhenthemeetingwillbegin__例51.Whatheneeds___thatbook.2.Whatheneeds____somebooks.規(guī)律五、what引導(dǎo)的主語從句，可根據(jù)表語決定主句動詞的單復(fù)數(shù)形式。isare例51.Whatheneeds___thatb小試牛刀小試牛刀2.

_______theycansolvethequestionisstillunknown.A.IfB.WhichC.WhetherD.What3._____hesaidatthemeetingastonishedeverybody.A.WhyB.WhatC.ThatD.Who4.____isafactthatEnglishisacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It1._____weneedmorepracticeisquiteobvious.A.WhatB.ThatC.WhenD./2._______theycansolvethe他是不是我的孩子仍然是個問題。_______heismychildremainsaquestion.Whether他是不是我的孩子仍然是個問題。Wh