ScienceandscientistsUnit1LearningaboutlanguageDiscoveringusefulsturcturePredicativeclauses表語從句1.Review0102Activity1Circlethepredicativeineachsentence.1.Africaisabigcontinent.2.Herjobissellingcomputers.3.Ifeelmuchbettertoday.4.Thatremainsapuzzletome.5.Thisiswhathesaid.

predicative

表語系動(dòng)詞02系動(dòng)詞表示狀態(tài)Be動(dòng)詞:isamare;waswere感官動(dòng)詞looksoundsmelltastefeel表示持續(xù)keepstayremain表示變化becomegogetgrowturn表示看起來/表像seemlookappear表示終止prove;turnout2.表語從句03Underlinealltheexamplesinthereadingpassagewherenounclausesareusedasthepredicative.Thenstatetheirmeaningandfunctions.1.Onetheorywas

thatbadaircausedthedisease.2.Anotherwas

thatcholerawascausedbyaninfectionfromgermsinfoodorwater.3.Itseemed

thatthewomanlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.4.Thetruthwas

thatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.WhatJohnSnowshowedtotheworldwashowcholeracouldbeoverome主語（從句）subject連系動(dòng)詞linkingverb表語（從句）predicative03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(dòng)詞之后，對(duì)主語進(jìn)行解釋、說明，使主語的內(nèi)容具體化。表語從句必須用陳述句語序。3.表語從句的引導(dǎo)詞01連接代詞:

what,who,whom,whose,which,…+ever

Myhometownisnolongerwhatitusedtobe.

Theproblemiswhowecangettoreplaceher.Theproblemiswhoseworkisthebest.結(jié)論：除在句中起連接作用外，在從句中還充當(dāng)主語、賓語、表語或定語，具有意義。02連接副詞：when、where、how、whyThequestioniswhentheywillstarttheproject.

Thequestionishowhedidit.Thequestioniswherewecanlive.結(jié)論：除在句中起連接作用外，在從句中還充當(dāng)?shù)攸c(diǎn)、時(shí)間、原因、方式狀語，具有意義。03ThetroubleisthatIhavelosthisaddress.Thequestioniswhethertheywillgobyplaneorbytrain.Thefactisthatwehavefinishedthetask.Iwonderwhetherweshallbeintimeforthelastbus.that_______成分，____意義，______省略。whether_____成分，____意義，譯為_____。結(jié)論：不做是否無不能不做有從屬連詞：that,whether,asif,asthough,because03從屬連詞：that,whether,asif,asthough,becauseItsoundsasif/thoughsomeoneisknockingatthedoor.Shelookedasifshehadbeenhitbylightning.Itseemsasifsheweremad.結(jié)論：asif/though在從句中不充當(dāng)成分，意為”仿佛，好像”;若表語從句所述的是非真實(shí)的情況，從句用虛擬語氣(主句一般現(xiàn)在時(shí)，從句用一般過去時(shí)；主句過去式，從句過去完成時(shí)）；若所述的是事實(shí)，從句用陳述句語序。03從屬連詞：that,whether,asif,asthough,becauseThisisbecausetheweatherhereiscoldandwet.Hedidnotseethefilmlastnight.Thatisbecausehehadseenitbefore.結(jié)論：asif/though在從句中不充當(dāng)成分，意為”仿佛，好像”;若表語從句所述的是非真實(shí)的情況，從句用虛擬語氣；若所述的是事實(shí)，從句用陳述句語序。4.Practice【即時(shí)演練】Youaresayingthatheisdishonest,andthisis______Idisagree..Iamafraidhe’smoreofatalkerthanadoer,whichis______heneverfinishesanything.I’dliketostartmyownbusiness—that’s______I’ddoifIhadthemoney.Itisstillunderdiscussion______theoldbusstationshouldbereplacedwithamodernhotelornot.Thebestmomentforthefootballstarwas_____hescoredthewinninggoal.wherewhywhetherwhatwhen【即時(shí)演練】6.Heiscarelessandirresponsible.Thatwas_______hewasfired.7.Hewasfired.Thatwas_________heiscarelessandirresponsible.8.Thereason_______hewasfiredwas________hewascarelessandirresponsible.9.Whenapencilispartlyinaglassofwater,itlooksasifit_______(be)broken.10.Thelittlegirltalkedasifshe___________(be)agrown-up.whybescausewhythatwerehadbeenP5-2:Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.WhatwasitthatJohnSnowshowedtotheworld?→WhatJohnSnowshowedtotheworldwashowcholeracouldbeovercome.1.WhatwasSnow'sdiscoveryintwoparticularstreetsinLondon?Snow'sdiscoveryintwoparticularstreetsinLondonwasthat______________________________________

__________________________________.2.WhatwasSnowdeterminedtofindoutduringthe1854outbreakofcholerainLondon?

WhatSnowwasdeterminedtofindoutwaswhy__________________________________________________________________.thecholeraoutbreakwassoseverethatthecholeraoutbreakhadcausedover500deathsmorethan500peoplediedintendayswithintendays3.WhatweretheexactplacesSnowmarkedonthemap?TheexactplacesSnowmarkedonthemapwerewhere_________________________.4.WhatwasthefindingthatSnowannounced?Snow'sfindingwasthat________________________

__________________.allthosewhodiedhadlivedthepumpwatercarriedcholeragermsP5-3:DavidistalkingtoMariaabouttheirscientificresearchproject.FirstcompleteDavid’slines(A-E),usingthewordsinthebox.ThenputDavid’slinesinthecorrectorderandpractisetheconversation.asif,that,what,who,when,how,why,whose,which,whetherA.Absolutely.Youmaynotbelieveit,butthatwas________happenedattheinitialstageofourgroup'sresearchondevelopingavaccineformalaria.B.Yes,itis.Anditseemed_______allthetheorieswereuseful,butthefactwas_____wecouldn'tpersuadeoneanotherthatonetheorywasbetterthananother.whatasifthatasif,that,what,who,when,how,why,whose,w