Unit 6 Electricity Grammar同步课件(牛津版七年级下)

Unit6ElectricityModalVerbsUnit6ElectricityModalVerb1Lead-inClassLead-inClassIcanplaybasketballwell.Canyou?No,Ican’t.ButIcanswimfast.IcanplaybasketballNo,IcanSelf-learn自学Self-learn自学Yes,youmay/can.May/CanI

sitdown?Yes,youmay/can.May/CanIsit___________Icomein?Yes,youmay/can.No,youmaynot/can't.May/Can___________Icomein?Yes,youm

____Iget

youachair?

Yes,thanksMay____Igetyouachair?Yes,Icansingbeautifulsongs.Canyou?No,Ican’t.ButIcanplaykonfu.Canyou?No,Ican’t.IcansingbeautifulNo,Ican情态动词can,may和must我们用can表示“能力”，意思是“能、会”，其否定式为can’t。may/can表示“允许；许可”，意思是“可以”，其否定式为maynot/can’t。must表示“必须”，其否定式mustn’t表示“禁止”。情态动词can,may和must我们用can表示“能力”，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：情态动词（modalverbs)：表示说话人的语气或情态，

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能够+动词原形Unit6ElectricityGrammar》同步课件(牛津版七年级下)ProbeI探究一ProbeI探究一AcanandcannotWeusecanandcannot(can’t)tosaywe

areableornotabletodothings.Wecanuseelectricitytodomanythings.Wecannot(can't)electricity.Canyouthinkofanexample?Yes,Ican./No,Icannot(can't).AcanandcannotWeusecanan

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.can/能，能够，会，可以许可表怀疑，难以置信注意：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.注意：could为can的过去式外，could还有表示语气婉PracticeI应用一PracticeI应用一1.Hi______playfootball.2.Lo________paintpictures.3.Hi_____speakasmanylanguagesasLo.4.Both

HiandLo______dance.5.Lo_____driveacar,buthe_____playchess.6.Hi____swim,buthe_______playtheguitar.cancan'tcan'tcancan'tcancancan't1.Hi______playfootball.cancProbeII探究二ProbeII探究二BmayandmaynotWeusemayandmaynottoaskforand

Givepermission(许可）.Wealsousecanandcannot(can’t)forthesamepurpose.May/CanIuseyoumobilephone?Yes,youmay/can.No,youmaynot/can't.BmayandmaynotWeusemaya

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.may/允许；请求可能；也许(may比might语气强）PracticeII应用二PracticeII应用二注意：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.注意：might为may的过去式外，might还有I'mgoingout.

__________Iborrow

yournewbicycle?Yes,youmay.Beforeyougotomeetyourfriends,canyoucomeandseethedoctorwithme?May/CanI'mgoingout.__________Yes,yYes,I____._____Icarryyourbagforyou?Yes,that'sverykindofyou,Benny.I'mreadytogo._____youopenthedoorforme?Yes,IcanThankscanMayCanYes,I____._____IcarryyourbWemustsavewater.Wemustnotwastewater.Youmustn’tsmoke.Wemustsavewater.Youmustn’tMustyoudohomeworknow?Yes,Imust.

Mustyoudoyourhomework?No,Ineedn’t.Canyouplaywithme?Sorry,Ican’t.Youmay/canplaywithJim.Mustyoudohomeworknow?Yes,【试一试】根据题意，选择合适的词语填空。A)can,may,can’t,maynot1.Camels________liveinhotareas.2.You________passtheexamifyoudon’tworkhard.3.—______________IwatchTVnow?—No,you______________.B)must,mustn’t4.You________wearathickcoatwhenitiscold.5.You________parkyourcarhere.It’sagainsttherule.cancan’tMay/Canmaynot/can’t

mustmustn’t【试一试】根据题意，选择合适的词语填空。cancan’tMaProbeIII探究三ProbeIII探究三CmustandmustnotWeusemustandmustnot(mustn’t)totellpeoplewhattodoorwhatnottodo.Youmustnot/mustn'tdothatBenny!Wemustalwaysbecarefulwithelectricity.Theymustnot/mustn'tplayneartheheater.CmustandmustnotWeusemus注意：must的提问肯定回答用must,否定用needn’t---MustIreturnthebook?---Yes,youmust.---No,youneedn’t.注意：must的提问肯定回答用must,否定用needn’

must必须；应该Wemustworkharder.Mustnot意为不应该；不许；Wemustnotbeafraidofdifficulties.Youmustn’tsmokehere.must必须；应该Mustnot意为不应该；不许；PracticeIII应用三PracticeIII应用三drinkmorewatergotobedearlyeatcoldfoodsharecupswithothersgooutalonetakethemedicineontime1.Imustdrinkmorewater.2.____________________________________3.________________________________4.Imustnot________________________5.________________________________6.________________________________ThedoctortoldwhattodoandwhatnottodoImustgotobedearly.Imusttakethemedicineontime.eatcoldfood.Imustnotsharecupswithothers.Imustnotgoouralone.drinkmorewatergotobe情态动词记忆口诀情态动词两要点;

动词原形跟后面,could/might说话语气较委婉,can表能力

may许可,must

责任或义务,

否定回答needn't换;should/oughtto应该,

will/would

愿,haveto被迫,表客观.Sumup小结

情态动词记忆口诀情态动词两要点;动词原形跟后面,SumTest

for

ModalVerbsTestforModalVerbs1.---__Idownloadthearticleagain?---No,youneedn’t.A.Shall

B.Will

C.MustD.Can2.---MustIstayathome,Mum?

---No,you___.A.needn’t.B.mustn’t

C.don’tD.maynotCA1.---__Idownloadthearticle3.--MayIgoouttoplaybasketball,Dad?---No,you_____.Youmustfinish

yourhomeworkfirst.A.mustn’t

Bmaynot

C.couldn’t

D.mightnotA3.--MayIgoouttoplaybaske4.Acomputer_____thinkforitself.It

mustbetoldwhattodo.A.can’t

B.couldn’t

C.maynot

D.should5.---CouldIborrowyourdictionary?---Yes,you____.A.mightB.mustC.canD.shouldAC4.Acomputer_____thinkfori6.---____themantherebeournewteacher?---He_____be,butI’mnotsure.A.May,mustn’tB.Can;mayC.Must;can’tD.Can;can’t7.You_____bemorecarefulnexttime.mayB.mustC.couldD.might8.Students________smoke.can’tB.mustn’tC.mightnotBBB6.---____themantherebeourUnit6ElectricityModalVerbsUnit6ElectricityModalVerb41Lead-inClassLead-inClassIcanplaybasketballwell.Canyou?No,Ican’t.ButIcanswimfast.IcanplaybasketballNo,IcanSelf-learn自学Self-learn自学Yes,youmay/can.May/CanI

sitdown?Yes,youmay/can.May/CanIsit___________Icomein?Yes,youmay/can.No,youmaynot/can't.May/Can___________Icomein?Yes,youm

____Iget

youachair?

Yes,thanksMay____Igetyouachair?Yes,Icansingbeautifulsongs.Canyou?No,Ican’t.ButIcanplaykonfu.Canyou?No,Ican’t.IcansingbeautifulNo,Ican情态动词can,may和must我们用can表示“能力”，意思是“能、会”，其否定式为can’t。may/can表示“允许；许可”，意思是“可以”，其否定式为maynot/can’t。must表示“必须”，其否定式mustn’t表示“禁止”。情态动词can,may和must我们用can表示“能力”，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：情态动词（modalverbs)：表示说话人的语气或情态，

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能够+动词原形Unit6ElectricityGrammar》同步课件(牛津版七年级下)ProbeI探究一ProbeI探究一AcanandcannotWeusecanandcannot(can’t)tosaywe

areableornotabletodothings.Wecanuseelectricitytodomanythings.Wecannot(can't)electricity.Canyouthinkofanexample?Yes,Ican./No,Icannot(can't).AcanandcannotWeusecanan

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.can/能，能够，会，可以许可表怀疑，难以置信注意：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.注意：could为can的过去式外，could还有表示语气婉PracticeI应用一PracticeI应用一1.Hi______playfootball.2.Lo________paintpictures.3.Hi_____speakasmanylanguagesasLo.4.Both

HiandLo______dance.5.Lo_____driveacar,buthe_____playchess.6.Hi____swim,buthe_______playtheguitar.cancan'tcan'tcancan'tcancancan't1.Hi______playfootball.cancProbeII探究二ProbeII探究二BmayandmaynotWeusemayandmaynottoaskforand

Givepermission(许可）.Wealsousecanandcannot(can’t)forthesamepurpose.May/CanIuseyoumobilephone?Yes,youmay/can.No,youmaynot/can't.BmayandmaynotWeusemaya

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.may/允许；请求可能；也许(may比might语气强）PracticeII应用二PracticeII应用二注意：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.注意：might为may的过去式外，might还有I'mgoingout.

__________Iborrow

yournewbicycle?Yes,youmay.Beforeyougotomeetyourfriends,canyoucomeandseethedoctorwithme?May/CanI'mgoingout.__________Yes,yYes,I____._____Icarryyourbagforyou?Yes,that'sverykindofyou,Benny.I'mreadytogo._____youopenthedoorforme?Yes,IcanThankscanMayCanYes,I____._____IcarryyourbWemustsavewater.Wemustnotwastewater.Youmustn’tsmoke.Wemustsavewater.Youmustn’tMustyoudohomeworknow?Yes,Imust.

Mustyoudoyourhomework?No,Ineedn’t.Canyouplaywithme?Sorry,Ican’t.Youmay/canplaywithJim.Mustyoudohomeworknow?Yes,【试一试】根据题意，选择合适的词语填空。A)can,may,can’t,maynot1.Camels________liveinhotareas.2.You________passtheexamifyoudon’tworkhard.3.—______________IwatchTVnow?—No,you______________.B)must,mustn’t4.You________wearathickcoatwhenitiscold.5.You________parkyourcarhere.It’sagainsttherule.cancan’tMay/Canmaynot/can’t

mustmustn’t【试一试】根据题意，选择合适的词语填空。cancan’tMaProbeIII探究三ProbeIII探究三CmustandmustnotWeusemustandmustnot(mustn’t)totellpeoplewhattodoorwhatnottodo.Youmustnot/mustn'tdothatBenny!Wemustalwaysbecarefulwithelectricity.Theymustnot/mustn'tplayneartheheater.CmustandmustnotWeusemus注意：must的提问肯定回答用must,否定用needn’t---MustIreturnthebook?---Yes,youmust.---No,youneedn’t.注意：must的提问肯定回答用must,否定用needn’

must必须；应该Wemustworkharder.Mustnot意为不应该；不许；Wemustnotbeafraidofdifficulties.Youmustn’tsmokehere.must必须；应该Mustnot意为不应该；不许；PracticeIII应用三PracticeIII应用三drinkmorewatergotobedearlyeatcoldfoodsharecupswithothersgooutalonetakethemedicineontime1.Imustdrinkmorewater.2.____________________________________3.________________________________4.Imustnot________________________5.________________________________6.________________________________ThedoctortoldwhattodoandwhatnottodoImustgotobedearly.Imusttakethemedicineontime.eatcoldfood.Imustnotsharecupswithothers.Imustnotgoouralone.drinkmorewatergotobe情态动词记忆口诀情态动词两要点;

动词原形跟后面,could/might说话语气较委婉,can表能力

may许可,must