人教新目標(biāo)(Go for it)版八年級上冊英語課件 Unit 9 第二課時(shí) Section A GF-3c

1、第第二二課時(shí)課時(shí)Section A GF-3c19 9Can you come to my party?情 景 導(dǎo) 入情 景 導(dǎo) 入We have learned how to make an invitation，we also have learned how to accept and refuse an invitation. Now please make conversations with your partner about what we have learned.探 究 新 知探 究 新 知A：Can you go to the concert?B：Im sorry, I

2、cant. I have to prepare for an exam.go to the concertprepare for an exam探 究 新 知探 究 新 知A：Can you go to the movies?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. 探 究 新 知探 究 新 知A: Can you go to the zoo?B: Sorry, I cant. I have to help

3、 my parents.A: Can he go to the zoo?B: No, he cant. He has to help his parents.探 究 新 知探 究 新 知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.探 究 新 知探 究 新 知A: Can you pla

4、y 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.探 究 新 知探 究 新 知Accept (接受接受) invitations:Sure / Yes / Of course, Id love to.Certainly, Id like to.Decline (拒絕拒絕) invitations:Im sorry, I cant. I have to look after my grandmother. I have

5、to study for a math test. I am going shopping with my friend. 探 究 新 知探 究 新 知Can 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 tomorrow night?Sure. That sounds great.Im afraid not. I have the flu.Can he go to the party?No, he cant. He h

6、as 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.Grammar Focus探 究 新 知探 究 新 知現(xiàn)在我們來著重學(xué)習(xí)情態(tài)動詞現(xiàn)在我們來著重學(xué)習(xí)情態(tài)動詞can 以及以及have to 的用法。的用法。其特征主要有：其特征主要有：情態(tài)動詞主要有：情態(tài)動詞主要有：may

7、/might, can/could,must, have to, shall/should, will/would,ought to, need, dare, used to。探 究 新 知探 究 新 知1. 不能獨(dú)立作謂語，只能和動詞原形一起構(gòu)成謂語，不能獨(dú)立作謂語，只能和動詞原形一起構(gòu)成謂語，表示說話人的語氣和情態(tài)。表示說話人的語氣和情態(tài)。3. 否定形式：在其之后加否定形式：在其之后加not (have to除外除外)。疑問形式：情態(tài)動詞提到主語之前疑問形式：情態(tài)動詞提到主語之前(have to 除外除外)。2. 沒有人稱和數(shù)的變化。沒有人稱和數(shù)的變化。 (have to除外除外)探 究

8、新 知探 究 新 知can為情態(tài)動詞，在本單元中表示請求，用于發(fā)出邀為情態(tài)動詞，在本單元中表示請求，用于發(fā)出邀請，后跟動詞原形。當(dāng)同意接受對方的邀請時(shí)，常請，后跟動詞原形。當(dāng)同意接受對方的邀請時(shí)，常用用Sure, Id love to. / Certainly. /Of course.等來回答；等來回答；若不接受，常用若不接受，常用Sorry等來有禮貌地拒絕，一般情況等來有禮貌地拒絕，一般情況下需要說明不能接受邀請的原因以表示歉意。下需要說明不能接受邀請的原因以表示歉意。探 究 新 知探 究 新 知 Can you come to my birthday party tomorrow？ 明天你

9、來參加我的生日聚會，好嗎？明天你來參加我的生日聚會，好嗎？ Sorry, I cant. I am going to visit my grandpa. 很抱歉，我來不了，我要去看我爺爺。很抱歉，我來不了，我要去看我爺爺。探 究 新 知探 究 新 知（1）都可表示）都可表示“許可許可” 。may用于較正式、客氣的場用于較正式、客氣的場合，而合，而can比較隨便（口語）。比較隨便（口語）。1. can/mayYou may/can smoke here.Borrowers may not take out of the library more than two books at a time.

10、The policeman says you cant park here.探 究 新 知探 究 新 知(2) May/Can I/we? 表示征詢對方許可。表示征詢對方許可。 Can you? 表示請求。表示請求。 May I use your phone? Yes, you may./Yes, please. /No, you may not. /No, you mustnt. /No, youd better not. /Im afraid not. /Im sorry. Id rather you didnt.探 究 新 知探 究 新 知 Can I go out and play,

11、Mum? Yes/Certainly, you can. /No, you cant. Can you help me with this bag? With pleasure./Sorry, I cant.(3) 都可表示都可表示“可能性可能性”探 究 新 知探 究 新 知肯定句肯定句Mr. Reed looks pale. He may be ill. (事實(shí)上的可能事實(shí)上的可能).Mr. Read is in poor health. He can be ill at any time. (邏輯、理論上的可能邏輯、理論上的可能)This news may be true. (=might

12、/could) (事實(shí)上的可能事實(shí)上的可能)Wang Wei can be really stubborn. (有時(shí)或偶然可能會有時(shí)或偶然可能會)(=could)探 究 新 知探 究 新 知否定句否定句This news may not be true. (也許不也許不, =might not )This news cant be true. (不可能不可能, =couldnt)疑問句疑問句Can this news be true?(=Could)May this news be true? 探 究 新 知探 究 新 知(4) can 還可表示還可表示“能力能力”、“能夠能夠” You ca

13、n swim, cant you? No, I cant.I cant promise anything, but Ill do what I can.Tickets can be bought from the Tourist Information Center. 探 究 新 知探 究 新 知2. might/could（1）分別為）分別為may和和can的一般過去時(shí)，分別表示過去的一般過去時(shí)，分別表示過去的的“許可許可”、“可能可能”和和“能力能力” 、“能夠能夠”等。等。The children asked whether they could/might go for a swim.

14、(過去許可過去許可)I was afraid it might rain that afternoon. (過去可能過去可能)He asked if the news could be true. (過去可能過去可能)(Can the news be true?)探 究 新 知探 究 新 知She said he could speak several languages. (過去能力過去能力) I couldnt find her telephone number. (過去能夠過去能夠) (2) 都可表示現(xiàn)在或?qū)淼亩伎杀硎粳F(xiàn)在或?qū)淼摹翱赡苄钥赡苄浴薄ＵZ氣沒有。語氣沒有may肯定?？隙?。

15、Theres someone at the door. It could/might(=may) be George. (肯定句肯定句) /It couldnt (=cant) be George.(否定句否定句) /Could(=Can) it be George?(疑問句疑問句)探 究 新 知探 究 新 知 According to the radio it could/might/ may rain tomorrow. Lightning could (=can) be dangerous.(3) Might/Could I/we ? Could you ?探 究 新 知探 究 新 知表

16、示更委婉、更客氣的請求。表示更委婉、更客氣的請求。 Might/Could I ask you one more question? Yes, of course you may/might/can/ could. Could you help me with these boxes? Of course I can./With pleasure.探 究 新 知探 究 新 知有時(shí)在陳述句中也表示更委婉、更客氣的請求或邀請：有時(shí)在陳述句中也表示更委婉、更客氣的請求或邀請： I wonder if I could/might leave now. I dont suppose you could/

17、might.探 究 新 知探 究 新 知3. can/be able to(1) can = am/is/are able to = shall/will be able to No one can do it. =No one is able to do it. Can you come tonight? =Will you be able to come tonight?探 究 新 知探 究 新 知(2) could 表示過去的技能、本能表示過去的技能、本能; was/ were able to 表示過去表示過去某一具體場合經(jīng)過努力而做成某事。某一具體場合經(jīng)過努力而做成某事。 I coul

18、d swim when I was six. He started late, but he was able to catch the eight oclock train. =but he managed to catch =but he succeeded in catching 探 究 新 知探 究 新 知4. have to的意思是的意思是“必須、不得不必須、不得不”, 往往往往 強(qiáng)調(diào)由于強(qiáng)調(diào)由于客觀原因而必須做某事。客觀原因而必須做某事。have to 后接動詞原形；后接動詞原形；have to有人稱、數(shù)和時(shí)態(tài)的變化有人稱、數(shù)和時(shí)態(tài)的變化, 其第三人稱單數(shù)形式為其第三人稱單數(shù)形式為

19、has to, 其疑問形式定形式要借助于助動詞其疑問形式定形式要借助于助動詞do或或does來來完成。例如：完成。例如：探 究 新 知探 究 新 知We have to look after our sister at home.我們不得不在家照顧我們的妹妹。我們不得不在家照顧我們的妹妹。Does he have to get up early tomorrow morning? 明天早上他必須早起嗎？明天早上他必須早起嗎？I dont have to stay at home today.今天我不必呆在家里。今天我不必呆在家里。探 究 新 知探 究 新 知情態(tài)動詞情態(tài)動詞“have to”與

20、其他的情態(tài)動詞如與其他的情態(tài)動詞如“can”, “may” “must”和和 “should”不同。不同。 這四個(gè)情態(tài)動詞沒有人稱的變化，而這四個(gè)情態(tài)動詞沒有人稱的變化，而have to有有, 它的第三人稱單數(shù)為它的第三人稱單數(shù)為“has to”，如：，如：He should study hard.He has to study hard. 探 究 新 知探 究 新 知 這四個(gè)情態(tài)動詞在一般疑問句中將它們放在句首這四個(gè)情態(tài)動詞在一般疑問句中將它們放在句首, 在否定句中直接在他們后邊加在否定句中直接在他們后邊加not即可。即可。我們以我們以can為例為例: Can he go with us?

21、他能和我們一起去嗎？他能和我們一起去嗎？ He cant go with us. 他不能和我們一起去。他不能和我們一起去。而而“have to”要加助動詞要加助動詞do , does或或did才可能完成才可能完成其疑問句、否定句。其疑問句、否定句。探 究 新 知探 究 新 知5. must/have to（1）must 表示主觀表示主觀“必須必須”；have to表示客觀客表示客觀客觀需要，即觀需要，即“不得不不得不” 。I dont like this TV set. I must buy a new one.This TV set doesnt work. We have to buy a

22、 new one.(now)探 究 新 知探 究 新 知You must get up at five tomorrow. We (will) have to get up early tomorrow were going to Devon. (future)I had to leave early because I wasnt feeling well.She said she must/had to see the manager. (past)探 究 新 知探 究 新 知Task表示邀請的句型：表示邀請的句型： (你能來參加我的聚會嗎你能來參加我的聚會嗎?) Can you come

23、 to my party?Could you come to my party?Would you like to come to my party?拒絕邀請：拒絕邀請：Im sorry, I cant. I have to /Im V-ing接受邀請：接受邀請：Sure, Id love/like to.探 究 新 知探 究 新 知3aComplete the answers with might and one of the phrases in the box.1. A: What are you going to do on Saturday?B: Im not sure. I mig

24、ht _2. A: What are you planning to do after school?B: I dont know. _visit my grandparentsI might watch TV.watch TVon the weekendmy cousinvisit grandparentspractice the violin探 究 新 知探 究 新 知3. A: When will you finish the science homework?B: _4. A: Who are you going to the movies with?B: _5. Are you fr

25、ee to come to my place on Saturday?B: _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.探 究 新 知探 究 新 知3bComplete the sentences below. Use the words in brackets to help you.1. Inviting: _ (can/play tennis) Accepting: _2.

26、 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.探 究 新 知探 究 新 知3. Inviting: _ (can/ hang out with us tonight) Re

27、fusing: _ 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.探 究 新 知探 究 新 知3cWrite down everything you have to do next week. Choos

28、e 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.星期一TUE.星期二WED.星期三THUR.星期四FRI.星期五SAT.星期六SUN.星期天探 究 新 知探 究 新 知Language points1. invite v. 邀請邀請 invite sb. To

29、 do sth.邀請某人干某事邀請某人干某事The man invited my father to go fishing with him this morning.這個(gè)男人今天上午邀請我爸爸和他一起去釣魚。這個(gè)男人今天上午邀請我爸爸和他一起去釣魚。 invite sb. to后可接名詞后可接名詞I invited him to my house yesterday.我昨天邀請他來我家。我昨天邀請他來我家。探 究 新 知探 究 新 知He will not come without your invitation.沒有你的請柬他是不會來的。沒有你的請柬他是不會來的。 invite的名詞形式是

30、的名詞形式是invitation探 究 新 知探 究 新 知2. accept v.接受接受The old pushy man accepted our suggestions at last and went home.那個(gè)固執(zhí)的老人最終接受了我們的那個(gè)固執(zhí)的老人最終接受了我們的建議回家了。建議回家了。辨析辨析acceptreceiveaccept有主動或贊許的意味，表示不但收下且內(nèi)心有主動或贊許的意味，表示不但收下且內(nèi)心同意接受；同意接受；receive指客觀上收到或拿到，但主觀上不一定接受。指客觀上收到或拿到，但主觀上不一定接受。探 究 新 知探 究 新 知SummaryInvitati

31、on: 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 鞏 固 練 習(xí)鞏 固 練 習(xí)選擇正確的詞。選擇正確的詞。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

32、 sister has too (much/ many) homework to do.askingformuch鞏 固 練 習(xí)鞏 固 練 習(xí)4. Can you come to my party (at/ on) Saturday night?5. She invites me (watch/ to watch) the basketball match the day after tomorrow.6. I like playing (piano/ the piano).onto watchthe piano鞏 固 練 習(xí)鞏 固 練 習(xí)對話填空。每空一詞，單詞的首字母已給出。對話填空。每空

33、一詞，單詞的首字母已給出。A: Hey, Xiao Wang, can you go to the m_ on Saturday?B: Im s_, I cant. I have too much h_ this weekend. And Im not f_ well today.A: Thats too b_. Whats the matter?ovies orryomeworkad eeling鞏 固 練 習(xí)鞏 固 練 習(xí)B: Im not sure. Maybe I have a c_, as Im feeling a little cold.A: I think youd b_ go

34、to the d_.B: I also t_ so. A: Maybe Im asking you to come another time.B: Sure. T_ for asking.old etter octor hink hanks 鞏 固 練 習(xí)鞏 固 練 習(xí)選擇題。選擇題。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. cantACBD鞏 固 練 習(xí)鞏 固 練 習(xí)5. ? Its October the 14th. A. When is today B. whats today C. Wha