优秀课件初中英语情态动词课件(共27张PPT).pptx

优秀课件初中英语情态动词课件(共27张PPT).pptx

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情态动词复习can,could1）表示能力（体力、知识、技能）。

Canyouskate?

Canyouliftthisheavybox?

Marycanspeakthreelanguages.体力技能知识Shecouldreadpoemswhenshewasthree.过去的能力能2）表示请求和允许-Can/MayIgonow?

-Yes,youcan.-No,youcant.-不，不行或-No,youmustnt.-不，不准-CouldIcometoseeyoutomorrow?

（婉转语气，不表过去时）此时可与may互换可以may,might表示请求和允许-MayIsmokeinthisroom?

-Yes，youmay.-No,youcant.或No，youmustnt.此时可与can互换可以must1）表示必须、必要。

是说话人的主观看法Youmustcomeintime.-Mustwehandinourexercisebookstoday?

-Yes,youmust.-No,youneednt.-No，youdonthaveto.必须must与haveto区别must译为“必须”而haveto多表示客观存在的环境所限,即客观要求（无奈）而为之，多译为“不得不干某事”Imustcleantheroombecausetherearetoodirty.Ihavetoleaveschoolbecausemyfamilyispoornow.IfIbuythatcar,Illhavetoborrowsomemoney.（无人强迫）（无耐）表示推测、可能性might-may-must也许、可能、一定1.Hemightbeverybusynow.2.Hemaybeverybusynow.3.Hemustbeverybusynow.表示推测的否定形式只有cant.不可能或肯定不1YoureTomsgoodfriend,soyouknowwhathelikesbest.2-AreyougoingtoBeijingbyplane?

-Iamnotsure.Itakeatrain.Need1.需要做.needtodo2.neednt不必Youneedntworryaboutit.四、shall与should1）shall用于第一人称，征求对方的意见。

shallIcleantheroomforyou?

2）should表示应该做YoushouldntwatchTVeveryday。

1.-youplaygolf?

-No.ButIcanplaytabletennis.A.CanB.MayC.MustD.Should2.-CouldIgotothemoviethisweekend,Dad?

-Yes,you.Butyouhavetocomebackbeforenine.A.shallB.mustC.needD.can3.-IsJohncomingbytrain?

not.Helikes-Heshould,buthedrivinghiscar.A.mustB.canC.mayD.need4.-CouldIuseyourpen?

-Ofcourseyou.A.mustB.mayC.canD.need5.-Willyoustayherefordinner?

-Sorry,I.Ihavesomethingimportanttodo.A.dontB.didntC.needntD.cant6.-Isyourbrotherplayingcomputergames,Ted?

-Hedothatbecausethecomputerdoesntwork.A.maynotB.cantC.mustntD.neednt7.-David,isthatmanyourheadteacher?

-Itbehim.Hesthetallestinourschool.Butthatmanisshort.A.mustntB.cantC.needntD.wont8.John,youneedntdoyourworktoday,youdoittomorrowifyouretired.A.mustB.mayC.cant9.-AreyougoingtoBeijingbyplane?

take-SoIamnotsure.Iatrain.A.shouldB.mayC.mustD.will10.-Iswiminthatriver?

-No,you.Itsdangeroustoswiminit.A.Must;cantB.Can;maynotC.May;mustnt11.-Mom,Iplaycomputergames?

-Yes,youcan.Butyouhavetofinishyourhomeworkfirst.A.mustB.mayC.willD.need12.-MustIstayathomeandtakecareofher?

.-No,youA.mustntB.wontC.cantD.neednt13.-MustIgoanddoitnow?

-No,you.Westillhavetwomoredays.A.shoudntB.cantC.needntD.wont14.Itsnearlysevenoclock.Jackbebackhomeatthemoment.A.mustB.needC.couldD.can15.-MayIdotherestoftheworktomorrow?

finishittoday.-Yes,ofcourse.YouA.mustB.mustntC.neednt16.Youhavealreadytriedyourbest,soyouworryaboutthematter.A.cantB.needntC.mustntD.couldnt17.Youlooktirednow.Youstayathomeandhavearest.A.hadtoB.hadbetterC.wouldliketoD.wouldrather