【文档说明】Unit9SectionAGrammarFocus-3c课件2022-2023学年人教版八年级上学期英语.pptx，共(22)页，1.676 MB，由小喜鸽上传

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Unit9Canyoucometomyparty?Review1.为考试而做准备2.看医生3.上钢琴课4.帮助我的父母亲5.拜访我的姑姑prepareforanexamgotothedoctorhaveap

ianolessonhelpmyparentsvisitmyauntGrammarFocusCanyoucometomypartyonSaturday?Sure,I’dloveto.Sorry,Imuststudyforamathtest.Canyougotothemovi

estomorrownight?Sure.Thatsoundsgreat.I’mafraidnot.Ihavetheflu.Canhegototheparty?No,hecan’t.Hehastohelphispa

rents.Canshegotothebaseballgame?No.she’snotavailable.Shemustgotothedoctor.Cantheygotothemovies?No,they’renotfree.Theymighthavetomeettheirfri

ends.情态动词can的用法can是一个常见的情态动词，表示说话人的语气或情态，基本意思是“能;会”。它没有人称和数的变化，在句子中不能单独作谓语，其后必须跟实义动词原形。can的否定形式为cannot/can't/cannot；过去式为could

，其过去否定形式为couldnot/couldn't。情态动词can有以下常见用法：1.表示能力情态动词can一般指体力、知识、技能等方面的能力，即“能够；会”。我哥哥会游泳，但是我不会。Mybrothercan

swimbutIcan't.2.表示许可多用在口语中，表示请求或允许，意为“可以；能够”等。用于疑问句中用来提出要求，用于否定句中表示不允许。我可以用你的钢笔吗？CanIuseyourpen?3.表示推测情态动词can表示推测时，常用于否定句或疑问句，意为“（不）可能”。用于肯定句中表示理

论上的可能性，意为“有时会”。这里的春天有时可能会非常冷。Itcanbeverycoldhereinspring.4.表示邀请情态动词can除了表示能力、许可或猜测之外，还可以表示邀请；could较can更礼貌、委婉。情态

动词can表示邀请时的用法如下：（1）当用情态动词can发出邀请时，用一般疑问句Can+主语+动词原形+其他？你能来参加我的聚会吗？Canyoucometomyparty?（2）当用情态动词can发出邀请时

，其回答分为两类。一类表示接受邀请，另一类表示拒绝邀请。Sure,I'dloveto.当然,我很乐意。Sure,Ithinkhe/she/theywill.当然,我想他/她/他们会的。Sorry.I'mnotavailable.对不起,我没有空。I'dloveto,butI

'mafraidIcan't.情态动词有：may/might,can/could,must,haveto,shall/should,will/would,oughtto,need,dare,usedto•

1.不能独立作谓语，只能和动词原形一起构成谓语，表示•说话人的语气和情态。2.没有人称和数的变化。(haveto除外)3.否定形式：在其之后加not(haveto除外)。疑问形式：情态动词提到主语之前(haveto除外)。Howtoacceptani

nvitation.•Yes,I’dlove/liketo.•Certainly,I’dlove/liketo.•Sure,I’dlove/liketo.•Thanksforyourinvitation.•Thanksforaskingme.Howtodeclineaninvitatio

n.•I’msorry,Ican’t.Ihaveto…•I’dloveto,butIhaveto…•Sorry,Ican’t.I’mgoingto...•Thanksforyourinvitation.•Thankyouforaskingme.3aC

ompletetheanswerswithmightandoneofthephrasesinthebox.watchTVontheweekendmycousinvisitgrandparentspracticetheviolin1.A:Whatareyougoing

todoonSaturday?B:I’mnotsure.Imight_____________________2.A:Whatareyouplanningtodoafterschool?B:Idon’tknow._____________

____practicetheviolin.ImightwatchTV.3.A:Whenwillyoufinishthesciencehomework?B:____________________________________4.A:Whoareyougoing

tothemovieswith?B:____________________________________5.A:AreyoufreetocometomyplaceonSaturday?B:__________________

__________________Imightfinishitontheweekend.Imightgowithmycousin.No.Imightvisitgrandparents.3bComplete

thesentencesbelow.Usethewordsinbracketstohelpyou.1.Inviting:________________________(can/playtennis)Accepting:_______________________________

____2.Inviting:____________________________________(wouldliketo/gotothemovies)Refusing:___________________________________Reason:___________

__________________(mighthaveto)Canyoucometoplaytennis?Sure,thatsoundsgreat.Wouldyouliketogotothemovies?I’mafraidnot.Imighthavetodomyh

omework.3.Inviting:________________________________(can/hangoutwithustonight)Refusing:_____________________________Reason:_____________

_____________________(must)4.Inviting:________________________________(wouldliketo/cometomybirthdayparty)Accept

ing:______________________________Canyouhangoutwithustonight?Wouldyouliketocometomybirthdayparty?No,Ican’t.Sure,I’dloveto.Imustpracticethevio

lintonight.3cWritedowneverythingyouhavetodonextweek.Chooseadayandtimetohaveaparty.Theninviteclassmates

toyourparty.A:Canyoucometomyparty?B:Whenisit?A:Nextweek,onThursdaynight.B:I’msorry.Ihavetostudyforamathtest.MON.TUE.WED.T

HUR.FRI.SAT.SUN.MondayTuesdayWednesdayThursdayFridaySaturdaySunday一、选择正确的词•Thankyoufor(ask/asking),butIcan’tgotothemovieswithyou.•Paulhastostudy(at/f

or)themathtesttonight.•Mysisterhastoo(much/many)homeworktodo.askingformuchExercise4.Canyoucometomyparty

(at/on)Saturdaynight?5.Sheinvitesme(watch/towatch)thebasketballmatchthedayaftertomorrow.6.Ilikeplaying(piano/thepiano).ontowatchthepiano二、选择题1.Can

youplaytenniswithonSaturday?A.usB.weC.ourD.ours2.Henryhishomeworkthisafternoon.A.havetodoB.havetodoingC.h

astodoD.hastodoing3.Tonyisplayingtennistheschoolteam.A.onB.inC.toD.with4.Jimplaysoccerwithhisfriendthisweekend

,becauseheisverybusy.A.canB.cansC.cann’tD.can’tACBD