Unit9 Section A Grammar focus 3a—3c 课件2022-2023学年人教版八年级英语上册.pptx

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1、Section A Grammar Focus-3cLearning goals1.熟练使用不同人称下“Can.?”,并用“Yes,Id love to.”和“Sorry/No,.”进行回答。2.熟练使用have to/has to 来谈论职责和义务。3.熟练掌握礼貌发出邀请和对邀请应答的方式。4.熟练使用might的相关用法。Can you come to my party on Saturday?Sure,Id love to.Yes,I can.A:Can you go to the movies?B:Im sorry,I cant.I have to go to the doctor.

2、A:Can he go to the movies?B:No,he cant.He has to go to the doctor.go to moviesgo to the doctorA:Can you play soccer with me?B:Sorry,I cant.I have to watch TV.A:Can she play soccer?B:No,she cant.She has to watch TV.play soccerwatch TV might,can,must 它们都是它们都是_动词,用来动词,用来表达某种感情。表达某种感情。1.might 意思是意思是“_”。

3、2.can 意思是意思是“_”。3.must 意思是意思是“_”。(主观)(主观)4.have to 意思是意思是“_”。(客观)(客观)情态情态必须必须不得不不得不能;会能;会可能;也许可能;也许Accept(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 shoppi

4、ng with my friend.3aComplete the answers with might and one of the phrases in the box.A:What are you going to do on Saturday?B:Im not sure.I might _.A:What are you planning to do after school?B:I dont know._.A:When will you finish the science homework?B:_.A:Who are you going to the movies with?B:_.A

5、:Are you free to come to my place on Saturday?B:_.watch TV on the weekend my cousinvisit my grandparents prctice the violinvisit my grandparentsI might watch TVI have no idea.I might finish it on the weekendI dont know.I might go with my cousinNo,Im not.I might practice the violin123541.Inviting:(ca

6、n/play tennis)_ Accepting:_ 2.Inviting:(would like to/go to the movies)Reason:(might have to)_Refusing:_Reason:_Can you come to play tennis?Sure,that sounds great.Would you like to go to the movies?Im afraid not.I might have to go to the doctor.3b.Complete the sentences below.Use the words in bracke

7、ts to help you.3.Inviting:(can/hang out with us tonight)Reason:(must)_Refusing:_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.I must finish my homework.Sure,Id love to.3cWrite down everything you

8、 have to do this weekend.Choose a time to have a party.Then invite your classmates to your party and give your own report.Activities to have to doTimeA:Hi,Bob.Can you come to my English party?B:An English party,its interesting.When is it?A:This weekend,on Saturday afternoon.B:Oh,sorry,Im afraid I ca

9、nt.I have to go shopping with my sister.A:What about you,Cindy?Would you like to come?C:Sure,Id love to.A:Hi,Dale.Can you come to my party?D:Sure.That sounds good.A:Hi,Eric.Are you free this Saturday afternoon?Can you come to my party?E:No,Im not available.I must prepare for my math test.句型结构句型结构含义含

10、义Can you do sth.?你能做某事吗?Lets do sth.咱们做某事吧。How/What about doing sth.?做某事怎么样?Would you like to do sth.?你愿意做某事吗?拓展拓展eg:Can you come to my party?你能来参加我的聚会吗?Lets go shopping.咱们去购物吧。How about playing basketball?打篮球怎么样?Would you like to have a rest?你想休息一会儿吗?Can you.?意为意为“你能你能吗吗?”,可用,可用于邀请别人或委婉地请求某人去做某事。其肯

11、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 情态动词有:情态动词有:can/could(可以可以)must(必须必须),have to(不得不不得不)will/would(将会将会)need(需要需要),1.不能独立作谓语,只能和动词

12、原形一起构成谓语,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。表示说话人的语气和情态。2.没有人称和数的变化没有人称和数的变化(即无三单形式即无三单形式)。(have to除外除外)3.否定形式:否定形式:在其之后加在其之后加not(have to除外除外)。疑问形式:疑问形式:情态动词提到主语之前情态动词提到主语之前(have to 除外除外)。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”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

13、。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

14、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。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“客观上的需客观上的需要要”,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,无人称和时态的变化,否定回答一般用称和时态的变化,否定回答一般用 neednt 或或 dont have to(不必不必)。mustnt 表示表示“禁止禁止”。如:。如:比一比比一比 We h

15、ave 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 before 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)must/have to must 表示主观上觉得“必须.”;have to表示客观需要,即“不得不”,根据客观原因而不得不做某事。但mustnt 表示禁止。I dont like this bike.I must buy a new one.我不喜欢这辆自行车,我一定要买辆新

16、的。This bike doesnt work.We have to buy a new one.这辆自行车坏了,我不得不买一辆新的。Make invitationAccept/Decline invitationCan you come to my party on Saturday?Sure,Id love toSorry,I must study for a math test.Can you go to the movies tomorrow night?Sure.That sounds great.Im afraid not.I have the flu.Can he go to t

17、he party?No,he cant.He has to help his parents.C a n s h e g o t o t h e 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 his friends.Making invitations 发出邀请“Do you have any plan next Friday night?We are having some fr

18、iends over for a dinner party.Would you like to join us?”“Are you free next Friday night?”“Are you doing anything Friday night?”“Would you be interested in coming to our house that night?”“How do you like to join our party Friday night?”Summary状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状

19、元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状

20、元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状

21、元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状

22、元成才路状元成才路状元成才路1.Thank you for (ask/asking),but I cant go to the movies with you.2.Paul has to study (at/for)the math test tonight.3.My sister has too (much/many)homework to do.4.Can you come to my party (at/on)Saturday night?5.She invites me (watch/to watch)the basketball match the day after tomorro

23、w.6.I like playing (piano/the piano).Exercise 一、选择正确的选项填空。一、选择正确的选项填空。askingformuchto watchthe pianoon 二、句型转换:二、句型转换:1.I have to study for a test this evening.(改为改为否定句否定句)I _ _ _ study for a test this evening.2.They can go to the concert.(改为一般疑问改为一般疑问句句)_ they _ to the concert?dont have toCan go3.Ca

24、n Mary go to your birthday party?(作否定回答作否定回答)_,she _.Sorry/No cant 三、英汉互译下列句子三、英汉互译下列句子 1.你周六能到我家来吗?你周六能到我家来吗?2.我很乐意,但是我恐怕不行我很乐意,但是我恐怕不行,我周一得考试。我周一得考试。3.When will you finish the chinese homework?4.Who are you going to the movies with?5.Are you free to come to my place on Saturday?Can you come to my house on Saturday?Sure,Id love to.But Im afraid not,I have to study for my test.你将什么时候完成语文作业?你将什么时候完成语文作业?你打算和谁一起去看电影?你打算和谁一起去看电影?星期六你有空来我家吗?星期六你有空来我家吗?

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