2023学年完整公开课版Unit6Electricity教学

Unit6ElectricityIcanplaybasketballwell.Canyou?No,Ican’t.ButIcanswimfast.Icansingbeautifulsongs.Canyou?No,Ican’t.ButIcanplaykonfu.Canyou?No,Ican’t.AcanandcannotWeusecanandcannot(can’t)tosaywe

areableornotabletodothings.Wecanuseelectricitytodomanythings.Wecannot(can't)electricity.Canyouthinkofanexample?Yes,Ican./No,Icannot(can't).1.Hi______playfootball.2.Lo________paintpictures.3.Hi_____speakasmanylanguagesasLo.4.BothHiandLo______dance.5.Lo_____driveacar,buthe_____playchess.6.Hi____swim,buthe_______playtheguitar.cancan'tcan'tcancan'tcancancan'tYes,youmay/can.May/CanIsitdown?___________Icomein?Yes,youmay/can.No,youmaynot/can't.May/CanBmayandmaynotWeusemayandmaynottoaskforandGivepermission(许可）.Wealsousecanandcannot(can’t)forthesamepurpose.May/CanIuseyoumobilephone?Yes,youmay/can.No,youmaynot/can't.Howareyoufeeling,Daisy?Notverywell.____Igetyouachair?Yes,thanksMayI'mgoingout.__________Iborrowyournewbicycle?Yes,youmay.Beforeyougotomeetyourfriends,canyoucomeandseethedoctorwithme?May/CanYes,I____._____Icarryyourbagforyou?Yes,that'sverykindofyou,Benny.I'mreadytogo._____youopenthedoorforme?Yes,IcanThankscanMayCanWemustsavewater.Wemustnotwastewater.Youmustn’tsmoke.Mustyoudohomeworknow?Yes,Imust.Mustyoudoyourhomework?No,Ineedn’t.Canyouplaywithme?Sorry,Ican’t.Youmay/canplaywithJim.CmustandmustnotWeusemustandmustnot(mustn’t)totellpeoplewhattodoorwhatnottodo.Youmustnot/mustn'tdothatBenny!Wemustalwaysbecarefulwithelectricity.Theymustnot/mustn'tplayneartheheater.drinkmorewatergotobedearlyeatcoldfoodsharecupswithothersgooutalonetakethemedicineontime1.Imustdrinkmorewater.2.____________________________________3.________________________________4.Imustnot________________________5.________________________________6.________________________________ThedoctortoldwhattodoandwhatnottodoImustgotobedearly.Imusttakethemedicineontime.eatcoldfood.Imustnotsharecupswithothers.Imustnotgoouralone.情态动词（modalverbs)：表示说话人的语气或情态，如请求、命令、愿望、能力以及可能性等。英语的情态动词有：can/couldmay/mightmustoughttoshall/shouldwill/woulddare/daredneedhaveto能够可能必须应该应该意愿敢需要不得不+动词原形can/could能，能够，会，可以WecanspeakChinese.Hecandrawpictures.许可Youcan(=may)gohomenow.表怀疑，难以置信Hecouldn’t(can’t)beherfather,Forhe’stooyoung.注意：could为can的过去式外，could还有表示语气婉转之义。CouldIcomein?比CanIcomein?更有礼貌。但答语还用Yes,youcan.No,youcan’t.may/might允许；请求MayIhaveaglassofwater?Mayyouborrowmeyourpen?可能；也许(may比might语气强）Theymaybeinthelibrarynow.Hemightbeathome.表示祝愿Mayyoualwaysbeyoung.注意：might为may的过去式外，might还有表示语气婉转之义。MightIhavealook??比MayIhavealook?更有礼貌。但答语还用Yes,youmay.No,youmaynot.must必须；应该Wemustworkharder.Mustnot意为不应该；不许；Wemustnotbeafraidofdifficulties.Youmustn’tsmokehere.注意：must的提问肯定回答用must,否定用needn’t---MustIreturnthebook?---Yes,youmust.---No,youneedn’t.情态动词记忆口诀情态动词两要点