選擇性必修二Unit1ThePredicativeClausesDiscoverusefulstructuresTeachingobjectives:1.Enablethestudentstomastertheusageofpredicativeinthisunit.2.Enablethestudentstousethepredicativepatternsflexibly.3.Trainthestudentstoapplysomeskillsbydoingtherelevantexercises.review目錄CONTENTS表語從句定義表語從句引導(dǎo)詞鞏固練習(xí)表語從句定義01PartOne1.Onetheorywasthatbadaircausedthedisease.2.Anothertheorywasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.3.ThetruthwasthatthewaterfromtheBroadStreethadbeeninfectedbywaste.畫出下列句子中的表語從句總結(jié)：在復(fù)合句中作____________的從句，叫作表語從句。表語從句接在__________________之后，對主語進(jìn)行解釋、說明，使主語的內(nèi)容具體化。表語be動詞或系動詞系動詞有哪些？1.狀態(tài)類:be動詞;keep,remain,stay,2.感官類:look,feel(摸起來),smell,sound,taste3.變化類:

become,grow,turn,get,go,come,run,fall4.像類:seem,appear,5.終止類:turnout結(jié)果是,prove證明是表語從句引導(dǎo)詞注：表語從句用陳述語氣，且連接詞均不可省略。02PartOneIngeneral,doctorsinthosedayshadtwocontradictorytheoriestoexplainhowcholeraspread.Onetheorywas______badaircausedthedisease.Anotherwas______cholerawascausedbyaninfectionfromgermsinfoodorwater.(Para.2)

Whatismore,inanotherpartofLondon,awomanandherdaughterhaddiedofcholeraaftermovingawayfromBroadStreet.Itseemed______thewomanlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.(Para.3)一、that引導(dǎo)的表語從句thatthatthatthat____意義，在表語從句中______成分,起______作用，________省略。無不充當(dāng)連接不能Thequestionis_________wecanrelyonhim.Heoftentellslies.Thequestionis_________wecanfinishthetaskontime,forwehaveonlythreedaysleft.二、whether引導(dǎo)的表語從句whetherwhether思考：可以用“if”來引導(dǎo)嗎？連接詞whether起_____作用，意為“_________________”，在句中也不作任何成分（注意：if______引導(dǎo)表語從句)。連接是否、究竟、到底不能三、what,which,who,whom,whose等引導(dǎo)的表語從句Tomisnolonger_______heusedtobe.Thequestionis_______ofusshouldcomefirst.(我們兩個中的哪一個)Theproblemis______isreallyfitforthehardjob.Theimportantthingis_______nameshouldbeputonthetopofthelist.whatwhichwhowhose連接代詞what,which,who,whom,whose除在句子中起______作用外，還可在從句中作_____、_____或______，且各有詞義。連接主語表語定語that與what的區(qū)別總結(jié)：that引導(dǎo)表語從句時，是連詞，在從句中不作成分；what是連接代詞，引導(dǎo)表語從句時，在從句中作主語、賓語或表語。1.Thefactis_____________wetendtomakemistakeswhenwearenervous.2.Thisis______________Iwanttosay.3.Thequestionis______________causedtheaccident.4.Thetroubleis_____________shehaslosthisaddress.thatwhatthatwhat四、where,when,why,how引導(dǎo)的表語從句That’s_______Ican’tagreewithyou.Thisis______Sarawaslateforthemeeting.(Shemissedtheearlybus.)Thisis_____theyovercomethedifficulties.Mystrongestmemoryis______IattendedanAmericanweddingasachild.wherewhyhowwhen連接副詞where,when,why,how除在句中起______作用外，在從句中還充當(dāng)_______、______、______或______狀語，本身具有詞義。連接時間地點方式原因Itseems__________________hedoesn’tknowtheanswer.Itlooks__________________itisgoingtorain.五、asif/asthough引導(dǎo)的表語從句asif/asthoughasif/asthoughasif/asthough引導(dǎo)的表語從句常置于_________look,seem,sound,be,become等_________。系動詞后面注意：asif/asthough引導(dǎo)的表語從句如果是事實，就用陳述語氣；如果與事實不符，就用虛擬語氣。1.Itsoundsasifsomeoneisknockingatthedoor.(與事實相符)2.Tomlikestotalkbigasifhewereanimportantperson.

(對現(xiàn)在的虛擬，用一般過去時，be動詞用were)3.Heopenshismouthashewouldsaysomething.

(對將來的虛擬，用would/could/might+動詞原形)4.HetalkedaboutRomeasifhehadbeen

there.(對過去的虛擬，用haddone)Thereasonwhyheislateforschoolis________hemissedthebus.2.Whywedecidedtoputoffthefootballmatchis________theweatherwastoobad.thatthat當(dāng)主句的主語是_____________或why引導(dǎo)的__________時常用______來引導(dǎo)表語從句，而不用because。thereason主語從句thatAttention3.Ithinkthat’s_____hewassoangry.4.Ithinkitis________youaredoingtoomuch.5.Thereason______hewassolateis_____itwasraininghard.whybecausethat/this/it+is/was+why+________(原因/結(jié)果)

表示“_________________________”that/this/it+is/was+because+_______(原因/結(jié)果)

表示“________________________”thereasonwhy…isthat…中why是引導(dǎo)_________，that引導(dǎo)的是_________，表示“___________________”。這/那就是……的原因結(jié)果這/那就是因為……原因whythat定語從句表語從句……的原因是……Attention6.Mysuggestionisthatwe____________(go)andhelphim.7.Myadviceisthatwe____________(get)therebytrain.(should)go(should)get當(dāng)主句的主語是表示建議（suggestion,advice）、命令（order）、要求（request,proposal）、計劃（plan）等的名詞時，表語從句要用虛擬語氣，即（should）+動詞原形。Attention常見句式Itseems/appearsthat+句子“似乎...”Itturnsout/provesthat+句子“結(jié)果、原來...”Thechancesarethat+句子“可能....”Itseemsthatwearegoingtobelate.Itturnsout/provesthatshewasafriendofmysister.Thechancesarethathewillrecoverfromhisinjuryintimeforthenextgame.鞏固練習(xí)03PartOne解題思路先根據(jù)句意選擇不充當(dāng)成分that,whether,asif/though,because連詞充當(dāng)狀語when,where,why,how連接副詞充當(dāng)定語whose,what,which連接代詞充當(dāng)主語，賓語，表語其他再分析“充不充當(dāng)句子成分”1.Myworryisifhecangetthereontime.2.Thereasonwhyhefailedwasbecausehehadn’tstudiedhard.3.Myadviceisthatheseesthedoctorrightaway.4.Thetroubleiswhatweareshortofmoney.thatPracticeandApplywhetherthatsee即學(xué)即練改錯Completethefollowingideasbyfamousscientistswithawordorexpressionthatintroducesapredicativeclauseandtranslatetheminyourownwords.Researchis_________I’mdoingwhenIdon’tknowwhatI’mdoing.(WernervonBraun)what

asthoughbecausethatwhatwhoeverwhyPracticeandApply研究就是當(dāng)我不知道自己在做什么的時候我在做的事。

——布勞恩（徳裔美籍火箭科學(xué)家）2.Thesaddestaspectofliferightnowis_______sciencegathersknowledgefasterthansocietygatherswisdom.(IsaacAsimov)that

asthoughbecausethatwhatwhoeverwhyPracticeandApply當(dāng)下生活最可悲的一面就是科學(xué)積累知識的速度超過了社會積累智慧的速度?！_克·阿西莫夫

（美國科幻小說作家、化學(xué)家）3.Anexpertcanbe_________hasmadeallthemistakesthatcanbemadeinaverynarrowfield.(NilesBohr)whoever

asthoughbecausethatwhatwhoeverwhyPracticeandApply專家可能是在一個非常狹窄的領(lǐng)域里犯了所有可能犯的錯誤的人?！岫埂げ枺ǖ溛锢韺W(xué)家）4.Whendifferentexperimentsgiveyouthesameresult,itisnolongersubjecttoyouropinion.That’sthegoodthingaboutscience:Itistruewhetherornotyoubelieveinit.That’s_________itworks.(NeildeGrasseTyson)whyasthoughbecausethatwhatwhoeverwhyPracticeandApply當(dāng)不同的實驗呈現(xiàn)出相同的結(jié)果時，它就不再受制于你的意見。這就是科學(xué)的好處:不管你信不信它都是真的。這就是科學(xué)工作的原理。

——奈爾·德葛拉司·泰森（美國天文學(xué)家）5.Thisappliedscience,whichsavesworkandmakeslifeeasier,bringsuslittlehappiness.Thatis_________wehavenotyetlearnttomakesensibleuseofit!(AlbertEinstein)because

asthoughbecausethatwhatwhoeverwhyPracticeandApply這種節(jié)約工作量，使生活更容易的應(yīng)用科學(xué)，給我們帶來的快樂很少。那是因為我們還沒有學(xué)會合理地利用它!——愛因斯坦6.Thereareonlytwowaystoliveyourlife.Oneis____________nothingisamiracle.Theotheris____________everythingisamiracle.(AlbertEinstein)asthoughasthough

asthoughbecausethatwhatwhoeverwhyPracticeandApply你的生活只有兩種方式。一種是好像什么都不是奇跡。另一種是好像一切都是奇跡?！獝垡蛩固?.DavidistalkingtoMariaabouttheirscientificresearchproject.FirstcompleteDavid'slines(A-E),usingthewordsinthebox.ThenputDavid'slinesinthecorrectorder.(P5)asifthatwhatwhowhenhowwhywhosewhichwhether?A:Absolutely!Youmaynotbelieveit,butthatwas___________happenedattheinitialstageofourgroup'sresearchondevelopingavaccineformalaria.?B:Yes,itis.Anditseemed__________thetheorieswereuseful,butthefactwas_________wecouldn’tpersuadeoneanotherthatonetheorywasbetterthananother.whatasifthat賓從?C:Exactly.Theproblemwasnotabout______________allourtheorieswereequallygood,butindeciding_______________________theorytodependupon.?D:Werealizedthatwhatwecaredaboutwasnot_______________aspectweneededtodevelopatheoryin,butrather_____wecanreducethecostofavaccinewithoutreducingitseffect!?E:You'reright.Atlast,webecamefocusedonthekeyissue,whichwas_________wehadtocarryouttheresearchinthefirstplace.whetherwhich/what/whosewhich/whathowwhy主從?Maria:Thismixoftheoryanddataisoneofthekeycharacteristicsofwhatwecallscience.?David:_________________?Maria:Withyourtheoreticalframework??David:__________________?Maria:Decidingonatheoryisdefinitelyofcriticalimportance.?David:_________________?MariaThiswaswhenyoushouldhavecalmeddownandgotdowntodoingsomesolidwork.?David:_________________?Maria:Sowhathappenedintheend??David:_________________BCEDA賓從of+抽象n.=adj.1.Thefactwas

.事實是他沒有做真正的努力。2.Thequestionis

.問題是這部電影是否值得看。3.

shehadknownMillieforyears.看起來好像她認(rèn)識米莉已有好多年了。4.Myadviceis

asoftenaspossible.我的建議是你盡可能經(jīng)常地練習(xí)說英語。2.Completethesentences.thathedidn'treallytrywhetherthefilmisworthseeingItseemedasthough/ifthatyou(should)practisespeakingEnglish5.That's

.那就是我第一次遇見她的地方。6.Theproblemis

.問題是誰才真正適合做這份艱苦的工作。7.Thatis

.那就是我想讓你在這兒工作的原因。8.Iwaslateforschoolthismorning.

lastnight.今天早上我上學(xué)遲到了。那是因為我昨晚睡得太晚了。wh