Unit9 Section A Grammar Focus-3c课件2022-2023学年人教版八年级上学期英语.pptx（纯ppt,可能不含音视频素材）

1、U n i t 9 C a n y o u c o m e t o m y p a r t y?Review 1.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prepare for an examgo to the doctorhave a piano lessonhelp my parentsvisit my aunt Grammar FocusCan you come to my party on Saturday?Sure,Id love to.Sorry,I must study for a math test.Can you go to the movies

2、 tomorrow night?Sure.That sounds great.Im afraid not.I have the flu.Can he go to the party?No,he cant.He has to help his parents.Can she go to the baseball game?No.shes not available.She must go to the doctor.Can they go to the movies?No,theyre not free.They might have to meet their friends.情态动词can的

3、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can not/cant/cannot；过去式为could，其过去否定形式为could not/couldnt。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。My brother can swim but I cant.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

4、的钢笔吗？Can I use your pen?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。It can be very cold here in spring.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？Can you come to my party?（2）当用情态动词can发出邀请时

5、，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,Id love to.当然,我很乐意。Sure,I think he/she/they will.当然,我想他/她/他们会的。Sorry.Im not available.对不起,我没有空。Id love to,but Im afraid I cant.情态动词有：may/might,can/could,must,have to,shall/should,will/would,ought to,need,dare,used to 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。(

6、have to除外)3.否定形式：在其之后加not(have to除外)。疑问形式：情态动词提到主语之前(have to 除外)。How to accept an invitation.Yes,Id love/like to.Certainly,Id love/like to.Sure,Id love/like to.Thanks for your invitation.Thanks for asking me.How to decline an invitation.Im sorry,I cant.I have to Id love to,but I have to Sorry,I cant

7、.Im going to.Thanks for your invitation.Thank you for asking me.3aComplete the answers with might and one of the phrases in the box.watch TV on the weekend my cousin visit grandparents practice the violin1.A:What are you going to do on Saturday?B:Im not sure.I might _ 2.A:What are you planning to do

8、 after school?B:I dont know._ practice the violin.I might watch TV.3.A:When will you finish the science homework?B:_ 4.A:Who are you going to the movies with?B:_ 5.A:Are you free to come to my place on Saturday?B:_ I might finish it on the weekend.I might go with my cousin.No.I might visit grandpare

9、nts.3bComplete the sentences below.Use the words in brackets to help you.1.Inviting:_(can/play tennis)Accepting:_ 2.Inviting:_ (would like to/go to the movies)Refusing:_ Reason:_(might have to)Can you come to play tennis?Sure,that sounds great.Would you like to go to the movies?Im afraid not.I might

10、 have to do my homework.3.Inviting:_(can/hang out with us tonight)Refusing:_ Reason:_(must)4.Inviting:_(would like to/come to my birthday party)Accepting:_Can you hang out with us tonight?Would you like to come to my birthday party?No,I cant.Sure,Id love to.I must practice the violin tonight.3cWrite

11、 down everything you have to do next week.Choose a day and time to have a party.Then invite classmates to your party.A:Can you come to my party?B:When is it?A:Next week,on Thursday night.B:Im sorry.I have to study for a math test.MON.TUE.WED.THUR.FRI.SAT.SUN.Monday TuesdayWednesdayThursdayFridaySatu

12、rdaySunday 一、选择正确的词 Thank you for (ask/asking),but I cant go to the movies with you.Paul has to study (at/for)the math test tonight.My sister has too (much/many)homework to do.askingformuchExercise 4.Can you come to my party (at/on)Saturday night?5.She invites me (watch/to watch)the basketball match

13、 the day after tomorrow.6.I like playing (piano/the piano).onto watchthe piano二、选择题1.Can you play tennis with on Saturday?A.us B.we C.our D.ours2.Henry his homework this afternoon.A.have to do B.have to doing C.has to do D.has to doing3.Tony is playing tennis the school team.A.on B.in C.to D.with4.Jim play soccer with his friend this weekend,because he is very busy.A.can B.cans C.cannt D.cantACBDTHANKS