TeachingproceduresStep1:WarmingupTask1:RevisionT:Whatcanyoudonow?S1:Icansing.S2:icandraw.S3:icandance.......T:Canyourideabike/swim/flyakite/playfootball/playchess?SS:Yes,Ican./No,Ican’t.Task2:Playingagame(Fivestudentscometothefrontandperformfortheclassaccordingtoteacher'sinstructions.andgestures.theothersanswerthequestions.)T:Whatcanshedo?SS:Shecanrideabike/swim/flyakite/playfootball/playchess.T:Cansheswim/flyakite/playfootball/playchess.SS:Yes,shecan?no,shecan’t.T:Saythewholesentences:eg:Hecanrideabike.Hecan’t/cannotswim.

Step2:Presentation

T:Canyourideabikenow?

S1:Yes,Ican

T:Couldyourideabikefiveyearsago?

S2:Yes,Icould./No,Icouldn’t

T:Wecanuse“could”talkaboutthepast.e.gIcanplaycomputernow.butlastyearIcouldn'tplay.T:Couldyourowaboatlastyear?S1:YesIcould./No,Icouldn’t.Hecouldrideabikefiveyearsago.(肯定句式)Hecouldn’tswimfiveyearsago.（否定句式）Hecouldrideabikefiveyearsago.(變否定句)Hecouldn'tswimfiveyearsago.

Step3:Practice:workinpairseg:couldhe/she??(Yes,he/shecould./No,he/shecouldn’t.)...Step4:Production①肯定句式:can\could②否定句式:can’t\couldn’t③疑問(wèn)句式:can...?\could...

?“am(is,are)ableto”

=“can”“was(were)ableto”=“could”eg.①M(fèi)ikecansingmorethan20Englishsongs.

=Mikeisabletosingmorethan20Englishsongs.②Shecouldspeakenglishwhenshewasfour.

=Shewasabletospeakenglishwhenshewasfour.Using“can”/“could”totalkaboutability.1.Weuse“can”totalkaboutpresentability.Weuse“could”totalkaboutabilityinthe past.e.g.Ican(cannot/can’t/cannot)swim.Whataboutyou?Hecould(couldn’t/couldnot)danceinthepast.Whataboutyou?Step5:Summary—CanIborrowyourbike,Millie?—Yes,youcan.Hereyouare.—CouldIsmokehere?—Sorry,I’mafraidyoucan’t.1.____youspeakJapanese?2.______youplaythepianolastyear?3.____youcook?4.______youuseacomputerwhenyouwere3?Askandanswerquestionsusing“can”or“could”.Trytomakedialoguesinpairs.CanCouldCanCould5.______yourideabicyclewhenyouwereveryyoung?6.______youunderstandEnglishT