人教版八上Unit 9 Can you come to my party -Section A Grammar focus3a—3c-ppt课件-公开课-(配套教案编号：f0d35).ppt

1、Unit 9 Can you come to my party? Period 2 Section A (Grammar Focus-3c) A: Can you come to my birthday party? B: Sure, Id love to. birthday party A: Can you go to the concert? B: Im sorry, I cant. I have to prepare for an exam. go to the concert prepare for an exam A: Can you go to the movies? B: Im

2、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 movies go 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 zoo h

3、elp my parents A: Can 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 games go to the baseball game A: Can you play soccer with me? B: Sorry, I cant. I have t

4、o watch TV. A: Can she play soccer? B: No, she cant. She has to watch TV. play soccer watch TV 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 a

5、m 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。 E

6、xplanation 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。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

7、, 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 th

8、ey have to go to the party? Yes, they do. They dont have to go to the party. b. He has to go to see the 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,

9、she did. She didnt have to study for a math yesterday. have to 与 must 二者都有“必须”之意，但二者都有“必须”之意，但 have to 表示表示 “客观上的需要”，有人称和时态的变化，否“客观上的需要”，有人称和时态的变化，否 定形式为定形式为 dont / doesnt / didnt have to (没必没必 要要)；must 表示“主观上的要求”，无人称和表示“主观上的要求”，无人称和 时态的变化，否定回答一般用时态的变化，否定回答一般用 neednt 或或 dont have to (不必不必)。mustnt 表示

10、表示“禁止禁止”。如：。如： 比一比比一比 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。(客观需客观需 要要) 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。(主观主观 要求要求) 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

11、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， 不必。不必。 watch TV on the weekend my cousin visit grandparents Complete the answers with might and one of the phrases in the box. 3a 1. A: What are you going

12、 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 grandparents 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. Are you free to come to my place on Sa

13、turday? B: _ _ watch TV on the weekend my cousin visit grandparents I 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. 3b Complete the sentences below. Use the words in brackets to help you. 1. Inviting: _ (can/play te

14、nnis) 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. I might have to go out with my parents. 3. Inviting: _ (can/ hang out with

15、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 love to. invite v. 邀请邀请 The man invited my father to go

16、 fishing with him this morning.这个男人今天上午邀这个男人今天上午邀 请我爸爸和他一起去钓鱼。请我爸爸和他一起去钓鱼。 根据句根据句可知“邀请某人干某事”为可知“邀请某人干某事”为invite sb. to do sth.。 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。 根据句可知根据句可知invite sb. to后也可跟名词。后也可跟名词。 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。 根据句可知根据

17、句可知invite 的名词是的名词是invitation。 3c Write 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

18、. FRI. SAT. SUN. REVIEW Invitation: 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 Revise the sentences in Grammar Focus.Focus. Practice how to accept or decline an Practice how to accept or decline an invitation.invitation.