人教高中英語必修3Unit4-Grammar-The-subject-clause主語從句優(yōu)秀課件

(主語從句)

Unit4Astronomy:thescienceofthestarsGrammar:ThesubjectclauseLearningobjectives

（學(xué)習(xí)目標(biāo)）1.Tolearnthegrammarofthisunit--theSubjectClause.2.TograsptheSubjectClauseandknowhowtouseit.NounClauses(名詞性從句)SubjectClause(主語從句)AppositiveClause（同位語從句）ObjectClause（賓語從句）PredicativeClause（表語從句）RevisionReviewthepassage“howlifebeganontheearth”andtranslatethefollowingsentences.誰也不知道地球會有別于其他行星.這就是地球之獨(dú)有特性的初次顯現(xiàn).許多人認(rèn)為這對生命的起源特別重要.沒有人懂得這些植物就是許多變化的開始.Nobodyknew

thatitwasgoingtobedifferentfromotherplanets.Thisishowtheearthbegantoshowitspecialqualities.Manypeoplethinkthatthiswasimportantforthebeginningoflife.Nobodyunderstoodthattheseplantswerethestartsofmanychanges.Leading-in

Answer:Whatdoestheunderlinedpartserveasinthesesentences?

Atreehasfallenacrosstheroad.

Youareastudent.

Tofindyourwaycanbeaproblem.

Smokingisbadforyou.名詞代詞動詞不定式動名詞SubjectHisjobisimportant.Whathedoesisimportant.Compare主語Whatshesaid

isnothingserious.

Thatweshallbelate

iscertain.Whetherhewillcometomorrow

isnotclear.Newlesson在復(fù)合句中，充當(dāng)主語的句子，叫主語從句。一.定義：WhatistheSubjectClause?

（什么叫主語從句？）二.引導(dǎo)主語從句的連接詞的用法：

Thatpricewillgoupiscertain.

Thattheyneedhelpverymuchisquiteclear.1.that的用法：that

引導(dǎo)主語從句只起引導(dǎo)作用，本身無實(shí)際意義，在從句中不充當(dāng)任何成分，但不能省略。.Itwasnotclearwhetherthesolidshapewouldlastornot.Realsubject（SubjectClause）FormedsubjectWhetherthesolidshapewouldlastornotwasnotclear.Conclusion:ifIf×2.whether和if的用法：1）主語從句在句首只能用whether,

有it作形式主語時whether/if都可以。2）whether/if

在從句中不充當(dāng)句子成分，但有意義“是否”，不能省略。1）連接代詞：what(whatever)

，who(whoever)，

which(whichever)，whom，whose.可以在從句中作主語，賓語表語。____________hedid

isright.（什么、無論什么）

____________heisisnotimportant.

（誰）

________teamwillwin

isnotclear.

（哪一個）

_______ideawillbe

accepted

hasnotbeendecidedyet.

（誰的）

______hewillbebackdependsontheweather.（什么時候）

_______welivedoesn’tmatter.（哪里）

______thepyramidswerebuiltwasstillamystery.（怎樣）

______dinosaursdiedoutisstillamystery.（為什么）

2）連接副詞：when，where，how，why.

在從句中做狀語。3.連接代詞和連接副詞的用法：Conclusion:連接代詞和連接副詞在從句中都有各自的意義，也充當(dāng)句子成分，不能省略。What/WhateverWho/whomWhichWhoseWhenWhereHowWhyCompletethesentencesusingthat

，what,whether,orwhere.1._____isneededforsuccessisyourhardwork.4.______wewilllivetomorrowhasn’t

beendecidedyet.3.________itwillrainornotisnotclear.2.______theearthisasolidballisknowntousall.WhatWhetherThat主語從句作主語時，主句謂語動詞一般用單數(shù)形式。Conclusion:ExercisesWhere1.Whereshallwespendtheholidayisn’tdecided.2.Whyishelatefortheclassisn’tclear.weshallheisdinosaursdiedout

改錯練習(xí)3.Howdiddinosaursdieoutisstillamystery.ExercisesConclusion:從句必須用陳述語序。由that引導(dǎo)的主語從句有時為了使句子結(jié)構(gòu)平衡,避免“頭重腳輕”,常用it

作形式主語,而把從句放在后面。例如:

1.Thathewillrefusethispieceofadviceisimpossible.=Itisapitythatshehasmadesuchamistake.=Itisimpossiblethathewillrefusethispieceofadvice.2.Thatshehasmadesuchamistakeisapity.注意:Canyourewritethefollowingsentences?（你能改寫下面的句子嗎？）1.Thattheearthturnsaroundthesunisknowntoall.2.Thatpricewillgoupiscertain.

3.Thattheyarebadlyinneedofhelpisquiteclear.Itisknowntoallthattheearthturnsaroundthesun.Itisquiteclearthattheyarebadlyinneedofhelp.Itiscertainthatpricewillgoup.

Pickuponenumberandfinishthetaskinit,thenyoucangetsomescores.12345678910GameTime!Correctornot?*Whenthemeetingwillbeheldhaven’tbeenknownyet.hasn’t×Payattention:主語從句作主語時，主句謂語用單數(shù)形式

10*

Ifwewillhaveameetinghasn’tbeendecidedyet.×Correctornot?WhetherPayattention:放在主語從句句首，表示“是否”時，只能用whether,不能用if10

×Correctornot?Payattention:此主語從句缺少成分-賓語，所以用作成分的what來引導(dǎo)，而不用that。What*Thatshewantstoknowiswhenthepartywillbeheld.10

×Correctornot?Payattention:由that引導(dǎo)的主語從句，that不能省略。Thathe*Hewillgiveuphisjobsurprisesallofus.101.Itisa

question____________thefilmisworthseeing.2.________weshallattendthemeetinghasn'tbeendecidedyet.用whether\if填空Whether/ifWhether10Translatethesentence*Itisknowntous___________________________________________(馬克.吐溫怎樣成為一位偉大的作家).

howMarkTwainbecameagreatwriter20Translatethesentence*_______________________________（她是否出席會議）isnotcertain.Whethershewillattendthemeeting20

thecat(do)what

Whatthecatdidmadethebabycry.make…cryMakeasentence30talkabouttheuseofcellphones

Whattheyaretalkingabout

istheuseofcellphones.Makeasentence30what

ItisreportedthatYaoMinggotthehighestpointsinthematch.Makeasentence30it，report,getthehighestpointsinthematch

TheSubjectClause2.引導(dǎo)主語從句在句首只能用whether,

有it作形式主語時whether/if都可以。1.that在主語從句中不能省略。3.有時為了使句子結(jié)構(gòu)平衡,避免“頭重腳輕”,常用

it作形式主語,而把從句放在后面。4.主語從句作主語時，謂語動詞一般用單數(shù)形式。5.從句必須用陳述語序。Summary:HomeworkComparethedifferencesandthesimilaritiesamongSubjectclause,ObjectclauseandPredictiveclause.

That'sall.Thanksforlistening!Goodbye!

2.

_______theycansolvethequestionisstillunknown.A.IfB.WhichC.WhetherD.What3._____hesaidatthemeetingastonishedeverybody.A.WhyB.WhatC.ThatD.Who4.____isafactthatEnglishisacceptedasaninternat