Unit1ScienceandScientistsDiscoverUsefulStructures表語從句課件高中英語人教版選擇性

PredicativeClauses

(表語從句)

Theflower________________Theflower________________Herduty___________________Theleftdoor________________Therightone_______________Whatimpressedmemost

________________________________________________________.lookssobeautiful.smells

fragrant.iscleaningtheblackboard.isthatYuanLongpingdevotedhiswholelifetothelandis/remainsopen.is/remainsclosed.PredicativeClausePredicativeClauses(表語從句)在復(fù)合句中作表語的從句叫做表語從句。位于主句的系動詞之后，對主語進(jìn)行解釋、說明，使主語的內(nèi)容具體化。主語

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系動詞

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表語從句(引導(dǎo)詞+其他)結(jié)構(gòu)：系動詞Williamisexcitedabouthispromotion.Yourplansfortheweddingsoundnice.Bobfeltsleepyaftereatingthewholepizza.Thetheatergetsdarkwhentheshowisaboutto

begin.Thecrowdstayedcalminspiteoftheimminentthreat.讀下面的句子，關(guān)注并回憶常見的系動詞有哪些：常見的系動詞有：be動詞:_________________________________感官動詞:_______________________________“變得詞”:_______________________________“持續(xù)詞”:_______________________________am,is,are,was,werefeel,look,smell,sound,taste,seem...get,become,turn,grow,fall...remain,keep,stay...PredicativeClauses(表語從句)在復(fù)合句中作表語的從句叫做表語從句。位于主句的系動詞之后，對主語進(jìn)行解釋、說明，使主語的內(nèi)容具體化。主語

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系動詞

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表語從句(引導(dǎo)詞+其他)結(jié)構(gòu)：1.Onetheorywas

thatbadaircausedthedisease.Anotherwasthatcholerawascausedbyaninfection.2.Thequestioniswhetherwecanfinishitinsuchashorttime.3.Thereasonwhyhewaslateisthathegotuplate.(1)從屬連詞:that&whether

用法歸納：a.that引導(dǎo)表語從句時，只起連接作用，不作句子成分,沒有意義。c.記住這個固定結(jié)構(gòu)：Thereasonwhy...is/wasthat...引導(dǎo)詞的用法b.whether引導(dǎo)表語從句時，只起連接作用，不作句子成分，通常翻譯為“是否”。注意，引導(dǎo)表語從句時通常不用if。改錯：1.Whatsurprisedmemostwasshewastheverypersonfortherole.2.Thequestionisifwewillgohikingnextweek.3Theproblemisthatwhetherhecanbeequaltothejob.4.Thereason______hedidn’tarriveintimewas_____hegetuplate.thatwhetherwhythat勝任1.Sheisnotwhoshewas.2.Exerciseiswhatkeepsushealthy.3.WhatIwanttoknowiswhosenameisLili.4.Thequestioniswhichtheoryisbetter.(2)連接代詞:who,whom,whose,which,what...用法歸納：a.連接代詞引導(dǎo)表語從句時，既起連接作用，又作句子成分(通常作__________________)等。b.表語從句也必須用陳述語序;主語，表語，賓語1.Whatmakesmeconfusedis______wordsareright.2.Theproblemis___________wecanaskforhelp.3.那就是他擔(dān)心的事情。Thatis________________________.4.問題是誰能勝任這項(xiàng)工作。Theproblemis_________________________.whatheisworryingaboutwhoisequaltotheworkwhose/whichwhom/who(3)連接副詞：when,where,why,how...1.ThehouseiswhereLuXunoncelived.2.Thequestionis

howmucheffortyoucanmake.3.That's

whyyoushouldpushyourself.4.ThetimeIwillneverforgetiswhenwespentittogether.用法歸納：連接副詞引導(dǎo)表語從句時，既起______作用，又作句子成分（通常作______）。連接狀語1.That’s__________Ican’tagreewithyou.2.Jimwascaughtinatrafficjamthismorning.That’s_____hewaslateforschool.3.Thelasttimewehadgreatfunwas________wewerevisitingthewaterpark.4.這就是我們這里做事的風(fēng)格。你很快就會習(xí)慣。Thisis____wedothingshere.You’llsoongetusedtoit.why/wherewhywhenhow1.Itlooksasif/asthoughitisgoingtosnow.2.Whenachopstickispartlyinaglassofwater,itlooksasifitwerebroken.(4)連詞asif,asthough引導(dǎo)的表從用法歸納：asif/asthough引導(dǎo)表語從句時用陳述語氣或虛擬語氣.常置于look,seem,sound

等詞后。Atthattime,itseemed________________hecouldn’tthinkoftherightword.那時，他好像想不出恰當(dāng)?shù)脑~。asif/asthoughThat’why...

That’sbecause...

Thereason(why...)isthat...Ididn’tphoneher.That’swhyshegotangrywithme.Ididn’tphoneher.That’sbecauseIgotangrywithher.3.Shegotangrywithme,andthereasonwas____Ididn’tphoneher.

ThereasonwhyshegotangrywithmewasthatIdidn’tphoneher.用法歸納：a.That’swhy…那是…的原因強(qiáng)調(diào)結(jié)果b.That’sbecause…那是因?yàn)椤瓘?qiáng)調(diào)原因c.Thereasonis/wasthat…不可用because或者why.thatByContrast改錯1.Thereasonwhyhefailedisbecausehewastoocareless.2.Hedrovetoseehissickmotherinhometown,andthat’sbecausehehadafewdaysoff.3.Hehadafewdaysoff,andthat’swhyhedrovetoseehissickmother.thatwhybecause如果引出表語從句的名詞是表示“建議”或者是“命令”之類的詞如advice,suggestion,proposal,order,plan,idea等,從句中的動詞用虛擬語氣，即(should)+動詞原形。Mysuggestionisthatweall(should)takeanactivepartinthecomingsportsmeet.我的建議是我們每個人都應(yīng)該積極參加運(yùn)動會。Attention!1.Hisadvicetohissonisthatthefault___________________(correct)immediately.2.船長的建議是我們盡量在天黑之前到達(dá)。(arrive)Thecaptain’sproposalis_______________________________.(should)becorrectedthatwe(should)arrivebeforedark1.Thefactis______differentpeoplehavedifferentopinionstowardscloning.2.WhatAlexreallydoubtsis_________hismotherwillrecoverfromthediseasesoon.

3.Thequestionis______wecandotosolvetheprobleminsuchashorttime.4.Thereasonwhyhewaslatewas______hefailedtocatchthefirstbus.thatwhetherwhatthat一、鞏固練習(xí)5.Iwanttobeateacher.That's______Iwanttobe.6.Ihadneitheraraincoatnoranumbrella.That's_____Igotwetallthrough.7.Thequestionis_____wecanturntoforhelpifnecessary.8.Themostexcitingmomentwas_______Iwasawardedthefirstprize.whatwhywhowhen1.Theproblemis_____totaketheplaceofTed.A.whocanwegetB.whatwecangetC.whowecangetD.thatwecanget

2.Thisis____myfatherhastaughtmetoalwaysfacedifficultiesandhopeforthebest.【2018北京卷】A.howB.whichC.thatD.what二、實(shí)戰(zhàn)演練3.Byboatistheonlywaytogethere,whichis____wearrived.【2018江蘇卷】A.whereB.whenC.whyD.how4.Anotherpossibilityis_____whenthereisalotoftalentonateam,someplayersmaymakelesseffort.(2019北京卷閱讀理解第二節(jié))A.howB.thatC.what