Unit1ScienceandScientistsDiscoverUsefulStructures表语从句导学案高中英语人教版选择性

PredicativeClause表语从句表语从句定义定义：在复合句中作表语的从句叫做表语从句。作用：位于主句的系动词之后，对主语进行解释、说明，使主语的内容具体化。结构：主语+系动词+表语从句(引导词+其他)二、常见的系动词常见的系动词有：be动词:________________________感官动词:_______________________“变得词”:________________________“持续词”:_______________________三、表语从句的引导词从属连词：that/whether连接代词:who/whom/whose/which/what...连接副词:when/where/why/how...其他词:asif/asthough/because...从属连词：that/whether1.Onetheorywasthatbadaircausedthedisease.Anotherwasthatcholerawascausedbyaninfection.2.Thequestioniswhetherwecanfinishitinsuchashorttime.3.Thereasonwhyhewaslateisthathegotuplate.用法归纳：that引导表语从句时，只起____作用，______句子成分,_________意义。whether引导表语从句时，只起_______作用，_______句子成分，通常翻译为“______”。注意，引导表语从句时通常不用if。注意下面这个结构：Thereasonwhy...is/wasthat...改错1.Whatsurprisedmemostwasshewastheverypersonfortherole.2.Thequestionisifwewillgohikingnextweek.3.Theproblemisthatwhetherhecanbeequaltothejob.Thereason______hedidn’tarriveintimewas_____hegetuplate.连接代词:who/whom/whose/which/what...1.Sheisnotwhoshewas.2.Exerciseiswhatkeepsushealthy.3.WhatIwanttoknowiswhosenameisLili.4.Thequestioniswhichtheoryisbetter.用法归纳：a.连接代词引导表语从句时,既起______作用,又作句子成分(通常作____)等。b.表语从句也必须用陈述语序;Practice1.Whatmakesmeconfusedis______wordsareright.2.Theproblemis___________wecanaskforhelp.3.那就是他担心的事情。Thatis________________________.4.问题是谁能胜任这项工作。Theproblemis_________________________.连接副词：when,where,why,how...1.ThehouseiswhereLuXunoncelived.2.Thequestionishowmucheffortyoucanmake.3.That'swhyyoushouldpushyourself.4.ThetimeIwillneverforgetiswhenwespentittogether.用法归纳：连接副词引导表语从句时，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.这就是我们这里做事的风格。你很快就会习惯。Thisis____wedothingshere.You’llsoongetusedtoit.连词asif,asthough引导的表从1.Itlooksasif/asthoughitisgoingtosnow.2.Whenachopstickispartlyinaglassofwater,itlooksasifitwerebroken.用法归纳：asif/asthough引导表语从句时用陈述语气或虚拟语气,常置于look,seem,sound等词后。PracticeAtthattime,itseemed_____________hecouldn’tthinkoftherightword.那时，他好像想不出恰当的词。ByContrastThat’why.../That’sbecause.../Thereason(why...)isthat...Ididn’tphoneher.That’swhyshegotangrywithme.2.Ididn’tphoneher.That’sbecauseIgotangrywithher.3.Shegotangrywithme,andthereasonwas____Ididn’tphoneher.ThereasonwhyshegotangrywithmewasthatIdidn’tphoneher.用法归纳：a.That’swhy…那是…的原因强调结果b.That’sbecause…那是因为…强调原因c.Thereasonis/wasthat…不可用because或者why.改错1.Thereasonwhyhefailedisbecausehewastoocareless.2.Hedrovetoseehissickmotherinhometown,andthat’sbecausehehadafewdaysoff.3.Hehadafewdaysoff,andthat’swhyhedrovetoseehissickmother.Attention!如果引出表语从句的名词是一些表示“建议”或者是“命令”之类的词如advice,suggestion,proposal,order,plan,idea等,那么从句中的动词用(should)+动词原形。1.Hisadvicetohissonisthatthefault___________________(correct)immediately.2.船长的建议是尽量在天黑之前到达。Thecaptain’sproposalis_______________________________.巩固练习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、实战演练1.Theproblemis_____totaketheplaceofTed.A.whocanwegetB.whatwecangetC.whowecangetD.thatwecanget2.Thisis____myfatherhastaughtmetoalwaysfacedifficultiesandhopeforthebest.【2018北京卷】A.howB.whichC.thatD.what3.Byboatistheonlywaytogethere,whichis____wearrived.【2018江苏卷】A.whereB.whenC.whyD.how4.Anotherpossibilityis_____whenthereisalotoftalentonateam,someplayersmaymakelesseffort.(2019北京卷阅读理解第二节)A.howB.thatC.whatD.why5.Mysuggestionis_________meaures_____assoonaspossible.A.that...takeB.that....betakenC.what...too