新高中译林牛津英语必修三U1L3-Grammar-and-usage-教案配套课件

Unit1NatureinthebalanceGrammarandusageEllipsis•Nosmoking.•Parking.•Nophotos.•Nofishing.Step1Lead-inEllipticalsentencesStep2IntroductionofellipsisFindthewordsthatcanbeleftout.•Ihavedonemorethanwhatisrequired.•Youopenthewindowandthedoorforme,please.•—Willyougotothecinemawithme?—Well,I’dliketogowithyou.•IknowyoucandobetterthanIcando.•Youshouldn’tcometothispartyunlessyouwereinvited.•ThemanwhomIsawiscalledDavid.Ellipsismeansleavingoutwordsofasentencewhenthemeaningcanstillbeunderstood.Ellipsisisusedwhenyoudonotwanttorepeatthewordsandphrasesthatareobvious.Whatisellipsis?Step3ExploringtherulesWritedownthewordsthathavebeenleftoutintheconversationonpage6.1.No,Ididn’t(watchthedocumentaryaboutenvironmentalprotectiononTVyesterday).2.Youcanwatchitonlineifyouwantto().3.Ifeltworriedwhen()watchingthedocumentary.4.Somecallfortheapplicationofmoderntechnology,andothers()achangeoflifestyle.5.()Gotanyideas?6.()Soundsgreat!IwaswatchitcallforHaveyouIt/That1.No,Ididn’t(watchthedocumentaryaboutenvironmentalprotectiononTVyesterday).2.Youcanwatchitonlineifyouwantto(watchit).3.Ifeltworriedwhen(Iwas)watchingthedocumentary.InshortresponsesIninfinitivesAftersomeconjunctionslikeif,whenandwhile4.Somecallfortheapplicationofmoderntechnology,andothers(callfor)achangeoflifestyle.5.(Haveyou)Gotanyideas?6.(It/That)Soundsgreat!InclauseswiththesamepatternandthesameverbAtthebeginningofasentenceininformalspeechAtthebeginningofasentenceininformalspeechrepeatinginformalMoreexamples•—Haveyoueverattendedatalkaboutenvironmentalprotection?•—Never.(=Ihaveneverattendedatalkaboutenvironmentalprotection.)Inshortresponses•Youmaygowiththemifyouwantto.(=Youmaygowiththemifyouwanttogowiththem.)•—Willyoubeabletocome?—I’dloveto.(=I’dlovetocome.)Ininfinitives•Thoughveryyoung,heisverygoodatpainting.(=Thoughheisveryyoung,heisverygoodatpainting.)•Youshouldbecarefulwhencrossingthestreet.(=Youshouldbecarefulwhenyoucrossthestreet.)Aftersomeconjunctionslikeif,whenandwhile•HegotupearlierthanItoday.(=HegotupearlierthanIgotuptoday.)•Hashegoneornot?(=Hashegoneorhashenotgone?)Inclauseswiththesamepatternandthesameverb•Ready?(=Areyouready?)AtthebeginningofasentenceininformalspeechStep4PracticeFindthemistakesandrewritethesentencesusingellipsis.1.Icannotwatchthedocumentarythisweekend,thoughIwouldlike.Wecannotleaveouttoininfinitiveswhenusingellipsis.Icannotwatchthedocumentarythisweekend,thoughIwouldliketo.Individualwork2.Cowsliveonland,andfishthewater.Differentprepositionsareusedandtheycan’tbeleftout.Cowsliveonland,andfishinthewater.3.TheAmazonrainforestissmallernowthanwas50yearsago.Whenusingellipsisinclauseswiththesamepattern,thesubjectandtheverbshouldbeleftoutaltogether.TheAmazonrainforestissmallernowthan50yearsago.4.Hehadplannedtoborrowabookonenvironmentalprotection,buthedidn’tdo.Whenusingellipsisincompoundsentences,thepartbehindtheauxiliaryverbshouldbeleftoutaltogether.Hehadplannedtoborrowabookonenvironmentalprotection,buthedidn’t.5.Whentakingphotosofwildlife,everyeffortshouldbemadetoensurethatwekeepawayfromtheanimals.Whenusingellipsisinadverbialclauses,weneedtomakesurethatthesubjectofthemainclauseisthesameasthesubjectofthesubordinateclause.Whentakingphotosofwildlife,weshouldmakeeveryefforttoensurethatwekeepawayfromtheanimals.Jackissharingwithhisclassmateshisexperienceoftakingpartinaforestclean-upactivity.Useellipsiswherenecessary.Putbracketsaroundtheword(s)thatcanbeleftout.Groupwork•AtfirstIdidn’twantto(takepartintheforestclean-upactivity),butthenIthought,“Whatifnobodygoes?”•Therewasa“Nolittering(isallowedhere)”signattheentrancetotheforest,butthatdidn’tstoppeoplefromthrowingtheirrubbishontheground.IninfinitivesIninformalsentences•Joedividedusintotwogroups:onegroupcleanedupthenorthsideoftheforest,andtheother(group)(cleanedup)thesouthside(oftheforest).•Weworkedforseveralhoursand(we)werehappytosee(that)theforestlookedcleanerthan(ithadlooked)before.•YoucanfindJoeandsignupif(you’re)willingtohelp.InclauseswiththesamepatternandthesameverbIncompoundsentenceswiththesamesubject;thatinobjectclauses;inclauseswiththesamesubjectandthesameverbAftersomeconjunctionslikeif,whenandwhileStep5Mini-writingDescribethepicturesbelowusingellipsistocallfortheprotectionoftheenvironment.Youcanalsodrawapictureandthinkofaslogan.PairworkWhenthewateristoodirtytodrinkandtheair(is)toopollutedtobreathe,willyoubeabletolookatyourchildrenandsay,“Whatabeautifulworld(itis)!”?Whenbuildingcities,thinkofMotherNature.Driveless,andwewillhaveagreenerworld.Homework