情態(tài)動詞can（課件） 人教新目標Go+For+It!英語八年級上冊

01課程導入todaywearegoingtoenterthemodalverbCanlearning,hopetohavealreadylearnedonthebasisofmoreimportantknowledgeforyou課程導入情態(tài)動詞can02正式教學

can來表示某事是可能的或被允許的

can來表示某人有能力做某事

can的結構somethingispossibleorallowedcan+infinitive(cando/canseeetc.)somebodyhastheabilitytodosomethingActivityone：Wecanseethelakefromourhotel。我們從旅館可以看到湖。例句2Activityone：Canyouspeakanyforeignlanguages?你會說外語嗎?例句1Icandoit!Thenegative:can't=cannotActivityone：I'mafraidIcan'tcometothepartyonFriday.例句It's10o'clockatnight,andamiddle-agedwomancomesuptoyouandasksforhelp,"Ihaveapaininmystomach,canyouhelpmehome?It'snotfarahead."現(xiàn)在是晚上10點，一位中年婦女向你求助:“我肚子疼，你能幫我回家嗎?”它并不在前方?！盇1Activitytwo："No!Ican't.It'stoolate.Icancallthepolice."“不!我不能。太遲了。我可以叫警察。”Q1:Becauseweakpeopledon'tchooseanotherweakpersonforhelp,thissituationisdangerous!Today'sassignmentisverydifficult,youhavebeenwritingforalongtime,andthenaclassmatesays,"Canyougivemeyouranswer?"Youarenothappy,whatshouldyoudo?今天的作業(yè)很難，你已經(jīng)寫了很長時間，然后一個同學說:“你能給我你的答案嗎?”你不開心，你該怎么辦?A2Activitytwo：No,Ican't!Pleasedoityourself.不，我不會!請自己做。Q2:Taketheinitiativetosaynotothingsyoudon'twanttodo,andcherishthefruitsofyourlabor.Wehadalovelyroominthehotel.Wecouldseethelake.hear

feel

smell

rememberActivitytwo：can的過去式-couldtasteseeAssoonasIwalkedintotheroom,Icouldsmellgas.

Iwassittingatthebackofthetheatreandcouldn'thearverywell.Activitytwo：Mygrandfathercouldspeakfivelanguages.1Weweretotallyfree.Wecoulddowhatwewanted.(=wewereallowedtodo)2could：somebodyhadtheabilitytodosomethingallowedtodosomethingActivitytwo：Mygrandfathercouldn'tswim.1IlookedforMaxeverywhere,butIcouldn'tfindhim.2Thenegativecouldn't(couldnot)ispossibleinallsituations:Andyplayedwell,buthecouldn'tbeatJack..3例句1Icouldn'tliveinabigcity.I'dhateit.(=itwouldn'tbepossibleforme)例句2Everythingisfinerightnow.Thingscouldn'tbebetter.Others:Icouldn'tdosomething=itwouldnotbepossible.Others:Forthepastweusecouldn'thave.=wouldnothavebeenpossible例句11.Wehadareallygoodholiday.Itcouldn'thavebeenbetter.Icouldn't

runtenkilometresnow.I'mnotfitenough.(=Iwouldnotbeable)(1)Icouldn't=itwouldnotbepossiblenow,Iwouldnotbeable.I

couldn'trunyesterdaybecausel'dhurtmyleg.(=lwasnotable)(2)Icouldn't=lwasnotable(past)Others:Wealsousecould(notcan)tosaythatsomethingispossiblenoworinthefuture:例句1.Thestorycouldbetrue,butldon'tthinkitis.(notcanbetrue).2.Idon'tknowwhattimeLisaiscoming.Shecouldgethereatanytime.Comparecanandcould1:CompareTheweathercanchangeveryquicklyinthemountains.(ingeneral)Theweatherisnicenow,butitcouldchangelater.(theweathernow,notingeneral)Comparecanandcould1:Wealsousecould(notcan)foractionsthatarenotrealistic.例句I'msotired.Icouldsleepforaweek.(notlcansleepforaweek)Comparecanandcould2:Wealsousecould(notcan)foractionsthatarenotrealistic.例句1.IcanstaywithSarahwhenlgotoParis.(realistic)2.MaybelcouldstaywithSarahwhenlgotoParis.(possible,butlesssure)3.Thisisawonderfulplace.Icouldstayhereforever.(unrealistic)Itturnsoutthat"can"hassomanyuses,combinedwiththeknowledgeofthislesson,aswellasconfidence,courage,daretore