（成都专版）2017年秋八年级英语上册 Unit 9 Can you come to my party Section A（Grammar Focus-3c）教学课件 （新版）人教新目标版.ppt

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1、Period2Section A(GF-3c)Unit 9Can you come to my party?学习目标学习目标 Key words&phrases:invite，accept，refuse，study for a math test，on the weekend，practice the violin Key sentences:1.Can you come to my party on Saturday?Sure，Id love to./Sorry，I must study for a math test.2.Can she go to the baseball game?No

2、，shes not available.She must go to the doctor.Make,accept and decline invitations.A:Can you come to my birthday party?B:Sure,Id love to.birthday partyReviewReviewA:Can you go to the concert?B:Im sorry,I cant.I have to prepare for an exam.go to the concertprepare for an examA:Can you go to the movies

3、?B:Im sorry,I cant.I have to go to the doctor.A:Can he go to the movies?B:No,he cant.He has to go to the doctor.go to moviesgo to the doctor A:Can you go to the zoo?B:Sorry,I cant.I have to help my parents.A:Can he go to the zoo?B:No,he cant.He has to help his parents.go to the zoohelp my parentsA:C

4、an you play computer games with me?B:Sorry,I cant.I have to go to the baseball game.A:Can he play computer games with me?B:No,he cant.He has to go to the baseball game.play computer gamesgo to the baseball gameA:Can you play soccer with me?B:Sorry,I cant.I have to watch TV.A:Can she play soccer?B:No

5、,she cant.She has to watch TV.play soccerwatch TVAccept(接受接受)invitations:Sure/Yes/Of course,Id love to.Certainly,Id like to.Decline(拒绝拒绝)invitations:Im sorry,I cant.I have to look after my grandmother.I have to study for a math test.I am going shopping with my friend.Can you.?意为意为“你能你能吗吗？”，可用，可用于邀请别

6、人或委婉地请求某人去做某事。其肯于邀请别人或委婉地请求某人去做某事。其肯定回答常用定回答常用 Sure,Id love/like to.，否定回答，否定回答常用常用 Im sorry,I cant./Sorry,I cant.等。如：等。如：-Can you go to the baseball game?你能去参加棒球比赛吗？你能去参加棒球比赛吗？-Im sorry,I cant.对不起，我不能。对不起，我不能。Explanation PresentationPresentation 情态动词情态动词have to与其他的情态动词如与其他的情态动词如can,may,must和和should

7、不同。不同。（1）这）这4个情态动词没有人称的变化个情态动词没有人称的变化,而而have to有。它的第三人称单数为有。它的第三人称单数为“has to”。You/He should study hard.你你/他应该好好学习。他应该好好学习。He has to study hard.他不得不好好学习。他不得不好好学习。have to 的用法的用法（2）这）这4个情态动词在一般疑问句中将它们放在个情态动词在一般疑问句中将它们放在句首句首,在否定句中直接在他们后边加在否定句中直接在他们后边加not即可。即可。我们以我们以can为例为例:Can he go with us?他能和我们一起去吗？他能

8、和我们一起去吗？He cant go with us.他不能和我们一起去。他不能和我们一起去。而而have to要加助动词要加助动词do,does或或 did 才才可能完成其疑问、否定句。可能完成其疑问、否定句。试将下面三句话分别写成试将下面三句话分别写成1）一般疑问句，并作肯定回答。）一般疑问句，并作肯定回答。2）否定句。）否定句。a.They have to go to the party.Do they have to go to the party?Yes,they do.They dont have to go to the party.b.He has to go to see t

9、he doctor.Does he have to go to see the doctor?Yes,he does.He doesnt have to go to see the doctor.c.She had to study for a math test yesterday.Did she have to study for a math yesterday?Yes,she did.She didnt have to study for a math yesterday.have to 与 must二者都有二者都有“必须必须”之意，但之意，但 have to 表示表示“客观客观上的需

10、要上的需要”，有人称和时态的变化，否定形式为，有人称和时态的变化，否定形式为 dont/doesnt/didnt have to(没必要没必要)；must 表示表示“主观上的要求主观上的要求”，无人称和时态的变化，否定回，无人称和时态的变化，否定回答一般用答一般用 neednt 或或 dont have to(不必不必)。mustnt 表示表示“禁止禁止”。如：。如：We have to wear warm clothes in winter.冬天我们不得不穿上暖和的衣服。冬天我们不得不穿上暖和的衣服。(客观需要客观需要)I must finish my homework first befo

11、re I watch TV.看电视前我必须先完成作业。看电视前我必须先完成作业。(主观要求主观要求)比一比比一比 You dont have to tell him about it.你不一定要把此事告诉他。你不一定要把此事告诉他。You mustnt tell him about it.你一定不要把这件事告诉他。你一定不要把这件事告诉他。Must I be home before eight oclock?8点之前我必须回家吗？点之前我必须回家吗？Yes,you must./No,you neednt./No,you dont have to.是的，必须回家。是的，必须回家。/不，不必。不，

12、不必。watch TVon the weekendmy cousinvisit grandparentsComplete the answers with might and one of the phrases in the box.3a1.A:What are you going to do on Saturday?B:Im not sure.I might _2.A:What are you planning to do after school?B:I dont know._visit my grandparentsI might watch TV.3.A:When will you

13、finish the science homework?B:_4.A:Who are you going to the movies with?B:_5.Are you free to come to my place on Saturday?B:_watch TVon the weekendmy cousinvisit grandparentsI dont know.I might finish it on weekend.Im not sure.I might go with my cousin.Im not sure.I might have to practice the violin

14、.3b Complete 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 play tennis on Saturday?Sure.That sounds great.Would you like to go to the movies on Friday?Sorry,I cant

15、.I might have to go out with my parents.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?Sorry,Im not free.I must study for a test.Would you like to come to my birthday party?Sure.Id lov

16、e to.invite v.邀请邀请 The man invited my father to go fishing with him this morning.这个男人今天上午邀请我爸爸和他一起去钓鱼。这个男人今天上午邀请我爸爸和他一起去钓鱼。I invited him to my house yesterday.我昨天邀请他来我家。我昨天邀请他来我家。He will not come without your invitation.没有你的请柬他是不会来的。没有你的请柬他是不会来的。“邀请某人干某事邀请某人干某事”为为 invite sb.to do sth invite sb.to后也可

17、跟名词。后也可跟名词。invite 的名词是的名词是invitation3cWrite 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.SummaryInvitation:Can you come to my party?Acceptation:Sure,Id love to.Yes,I d love to.Declination:Im sorry,I cant.I have to Id love to,but I have to Revise the sentences in Grammar Focus.Practice how to accept or decline an invitation.