Unit1ScienceandScientistsDiscoverUsefulStructures表語從句導(dǎo)學(xué)案高中英語人教版選擇性

PredicativeClause表語從句表語從句定義定義：在復(fù)合句中作表語的從句叫做表語從句。作用：位于主句的系動(dòng)詞之后，對主語進(jìn)行解釋、說明，使主語的內(nèi)容具體化。結(jié)構(gòu)：主語+系動(dòng)詞+表語從句(引導(dǎo)詞+其他)二、常見的系動(dòng)詞常見的系動(dòng)詞有：be動(dòng)詞:________________________感官動(dòng)詞:_______________________“變得詞”:________________________“持續(xù)詞”:_______________________三、表語從句的引導(dǎo)詞從屬連詞：that/whether連接代詞:who/whom/whose/which/what...連接副詞:when/where/why/how...其他詞:asif/asthough/because...從屬連詞：that/whether1.Onetheorywasthatbadaircausedthedisease.Anotherwasthatcholerawascausedbyaninfection.2.Thequestioniswhetherwecanfinishitinsuchashorttime.3.Thereasonwhyhewaslateisthathegotuplate.用法歸納：that引導(dǎo)表語從句時(shí)，只起____作用，______句子成分,_________意義。whether引導(dǎo)表語從句時(shí)，只起_______作用，_______句子成分，通常翻譯為“______”。注意，引導(dǎo)表語從句時(shí)通常不用if。注意下面這個(gè)結(jié)構(gòu)：Thereasonwhy...is/wasthat...改錯(cuò)1.Whatsurprisedmemostwasshewastheverypersonfortherole.2.Thequestionisifwewillgohikingnextweek.3.Theproblemisthatwhetherhecanbeequaltothejob.Thereason______hedidn’tarriveintimewas_____hegetuplate.連接代詞:who/whom/whose/which/what...1.Sheisnotwhoshewas.2.Exerciseiswhatkeepsushealthy.3.WhatIwanttoknowiswhosenameisLili.4.Thequestioniswhichtheoryisbetter.用法歸納：a.連接代詞引導(dǎo)表語從句時(shí),既起______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;Practice1.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_________________________.連接副詞：when,where,why,how...1.ThehouseiswhereLuXunoncelived.2.Thequestionishowmucheffortyoucanmake.3.That'swhyyoushouldpushyourself.4.ThetimeIwillneverforgetiswhenwespentittogether.用法歸納：連接副詞引導(dǎo)表語從句時(shí)，既起___作用,又作句子成分,通常作____。Practice1.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(huì)習(xí)慣。Thisis____wedothingshere.You’llsoongetusedtoit.連詞asif,asthough引導(dǎo)的表從1.Itlooksasif/asthoughitisgoingtosnow.2.Whenachopstickispartlyinaglassofwater,itlooksasifitwerebroken.用法歸納：asif/asthough引導(dǎo)表語從句時(shí)用陳述語氣或虛擬語氣,常置于look,seem,sound等詞后。PracticeAtthattime,itseemed_____________hecouldn’tthinkoftherightword.那時(shí)，他好像想不出恰當(dāng)?shù)脑~。ByContrastThat’why.../That’sbecause.../Thereason(why...)isthat...Ididn’tphoneher.That’swhyshegotangrywithme.2.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.改錯(cuò)1.Thereasonwhyhefailedisbecausehewastoocareless.2.Hedrovetoseehissickmotherinhometown,andthat’sbecausehehadafewdaysoff.3.Hehadafewdaysoff,andthat’swhyhedrovetoseehissickmother.Attention!如果引出表語從句的名詞是一些表示“建議”或者是“命令”之類的詞如advice,suggestion,proposal,order,plan,idea等,那么從句中的動(dòng)詞用(should)+動(dòng)詞原形。1.Hisadvicetohissonisthatthefault___________________(correct)immediately.2.船長的建議是盡量在天黑之前到達(dá)。Thecaptain’sproposalis_______________________________.鞏固練習(xí)1.Thefactis______differentpeoplehavedifferentopinionstowardscloning.2.WhatAlexreallydoubtsis_________hismotherwillrecoverfromthediseasesoon.3.Thequestionis______wecandotosolvetheprobleminsuchashorttime.4.Thereasonwhyhewaslatewas______hefailedtocatchthefirstbus.5.Iwanttobeateacher.That's______Iwanttobe.6.Ihadneitheraraincoatnoranumbrella.That's_____Igotwetallthrough.7.Thequestionis_____wecanturntoforhelpifnecessary.8.Themostexcitingmomentwas_______Iwasawardedthefirstprize.二、實(shí)戰(zhàn)演練1.Theproblemis_____totaketheplaceofTed.A.whocanwegetB.whatwecangetC.whowecangetD.thatwecanget2.Thisis____myfatherhastaughtmetoalwaysfacedifficultiesandhopeforthebest.【2018北京卷】A.howB.whichC.thatD.what3.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.whatD.why5.Mysuggestionis_________meaures_____assoonaspossible.A.that...takeB.that....betakenC.what...too