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1、Unit 5 Can you come to my party?Studying Aims1.Learn 10 important phrases.2.Can for invitation.3.Use modal verb. have to 4.Be+V-ing shows action or plan in the future.prepare for an exam .go to the doctor .have the flu .help my parents .meet my friend REVISIONhelp my parentsgo to the doctorprepare f
2、or an examhave the flumeet my friendYes,she can.Can she come to the party?Can sheNo,he cant.He has to study.Can he go to the baseball game?Can heCan they come to the party？No ，they cant.They have to study for the math test.Can theyA: Can your mother go to the concert?B: When is it?A: Its on Saturday
3、 evening.B: Sure/ Yes/ Certainly, shed love to.B: No, she cant. She is doing housework. She has to babysit my sister. She has a party with her friends.your motherconcertMonday eveningdo houseworkbabysit my sisterhave a party with her friendstheyplay footballSunday afternoonA: Can they play football
4、with us?B: When is it?A: Its on Sunday afternoon.B: Sure, theyd love to Yes, they can.B: No, they cant. They have an English test. They are visiting their teachers. They have to do their homework.have an English testvisit their teachersdo homeworkAccept Invitations:Sure/Yes/Of course, Id love to.Cer
5、tainly, Id like to.Decline invitations:Im sorry, I cant. I have to look after my grandmother. I have a piano lesson. I am going shopping with my friend. help my parents/ visit my aunt/ play football/ study for the English test/have a piano lesson/ go to the mall/ babysit my sister/ do homework/go to
6、 the movies/ go to my guitarlesson/ watch a football match/play tennis/ go to the doctor/ surf the Internet/ go fishing/ relax at homeCan 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 no
7、t. 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.Grammar FocusGrammar FocusComplete these sentences1
8、.I have to study A. a piano lesson at 3:00.2.You should B. my aunt. 3.I have C. go to the doctor.4. I should help D. for a test.5. I have to visit E. my parents. Daily Exercises 对于别人的邀请，你可能有不同的原因和理由表示谢绝，对于别人的邀请，你可能有不同的原因和理由表示谢绝，记住下面的原因和理由，并且翻译成汉语。记住下面的原因和理由，并且翻译成汉语。- Can you come to my party?- Im so
9、rry I cant. I _.1. have to go to my guitar lesson 2. have to go to play soccer 3. have too much homework 4. have to go to the doctor 5. have to study for a test 6. have a piano lesson 7. have to go to my cousins birthday party8. am not feeling well巩固词组巩固词组(Ask and answer in pairs)A.Can you come to m
10、y party?B.Sorry,I cant. I have to_.1.为考试而学习为考试而学习2.看医生看医生3.上钢琴课上钢琴课4.帮助我的父母亲帮助我的父母亲5.拜访我的姑姑拜访我的姑姑study for a test go to the doctorhave a piano lessonhelp my parentsvisit my aunt 3a Complete 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
11、 sure. I might_ 2. A: What are you planning to do after school? B: I dont know. _ watch TV on the weekend my cousin visit grandparents practice the violinpractice 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: A
12、re you free to come to my place on Saturday? B: _ On the weekend My cousin No. I might visit grandparents .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) Reason: (might have to)_Refu
13、sing : Can you come to play tennis?Sure, that sounds great.would you like to go to the movies?Im afraid not. I have too much _3. Inviting: (can/hang out with us tonight) Reason: (must) _Refusing: _4. Inviting: ( would like to / come to my birthday party) _Accepting:_homework to do. Can you hang out
14、with us tonight?Would you like to come to my birthday party?No, I cant. I must finish my homework.Sure, Id love to.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
15、 Thursday night.B: Im sorry. I have to study for a math test. 星期一星期一 Monday 星期二星期二 Tuesday 星期三星期三 Wednesday 星期四星期四 Thursday 星期五星期五 Friday 星期六星期六 Saturday 星期日星期日 Sunday Do you know week? colorful weekend activities go fishinggo shopping go skateboardingplay basketball go to the cinemaclimb mountains
16、surf the Internet go to a partygo to the concertstudy for a testgo to the doctorhave a piano lessonvisit his auntgo to a baseball game/have baseball trainingWeekend ActivitiesWhat do you usually do on weekends? What activities do you do on weekends? have to 不得不不得不A: What do you have to do this weeke
17、nd?B: I have to What weekend activities do you do?study for a testgo to the doctorhave a dancing lesson情态动词主要有：情态动词主要有：may/might, can/could,must, have to, shall/should, will/would,ought to, need, dare, used to。 Grammar focus现在我们来着重学习情态动词现在我们来着重学习情态动词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：1. 不能独立作谓语，只
18、能和动词原形一起构不能独立作谓语，只能和动词原形一起构成谓语，表示说话人的语气和情态成谓语，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。 (have to除外除外)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)。疑问形式：情态动词提到主语之前疑问形式：情态动词提到主语之前(have to 除外除外)。 can为情态动词为情态动词, 在本单元中表示在本单元中表示请求请求, 用于发出邀请，后跟动词原形用于发出邀请，后跟动词原形。当同意接。当同意接受对方的邀请时受对方的邀请时, 常用常用Sure, Id love to. / Certain
19、ly. /Of course.等来回答；若不接受等来回答；若不接受, 常用常用Sorry等来有礼貌地拒绝等来有礼貌地拒绝, 一般情况下一般情况下需要说明不能接受邀请的原因以表示歉意。需要说明不能接受邀请的原因以表示歉意。 Can you come to my birthday party tomorrow？ 明天你来参加我的生日聚会，好吗？明天你来参加我的生日聚会，好吗？ Sorry, I cant. I am going to visit my grandpa. 很抱歉，我来不了，我要去看我爷爷。很抱歉，我来不了，我要去看我爷爷。1. can/may(1)都可表示都可表示“许可许可” 。ma
20、y用于较正式、客用于较正式、客气的场合，而气的场合，而can比较随便（口语）比较随便（口语）。 You may/can smoke here. Borrowers may not take out of the library more than two books at a time.The policeman says you cant park here.(2) May/Can I/we? 表示征询对方许可表示征询对方许可。 Can you? 表示请求表示请求。 May I use your phone? Yes, you may./Yes, please. /No, you may n
21、ot. /No, you mustnt. /No, youd better not. /Im afraid not. /Im sorry. Id rather you didnt. Can I go out and play, 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”肯定句肯定句 Mr. Reed looks pale. He may be ill. (事实上的可能事实上的可能). Mr.
22、 Read is in poor health. He can be ill at any time. (逻辑逻辑、理论上的可能、理论上的可能) This news may be true. (=might/could) (事实上的可能事实上的可能) Wang Wei can be really stubborn. (有时或偶然可能会有时或偶然可能会)(=could) 否定句否定句This news may not be true. (也许不也许不, =might not )This news cant be true. (不可能不可能, =couldnt)疑问句疑问句Can this new
23、s be true?(=Could)May this news be true? (4) can 还可表示还可表示“能力能力”、“能够能够” You can 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. 2. might/could (1)分别为分别为may和和can的一般过去时，分别表示的一般过去时，分别表示过去的过去的“许可许可”、“可能可能”和和“能力能力” 、“能够
24、能够”等。等。The children asked whether they could/might go for a swim.(过去许可过去许可) I was afraid it might rain that afternoon. (过去可能过去可能) He asked if the news could be true. (过去可能过去可能)(Can the news be true?) She said he could speak several languages. (过去能力过去能力) I couldnt find her telephone number. (过去能够过去能够
25、) (2) 都可表示现在或将来的都可表示现在或将来的“可能性可能性”。语气。语气没有没有may肯定。肯定。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?(疑问句疑问句) According to the radio it could/might/ may rain tomorrow. Lightning could (=can) be dangerous. (3) Might
26、/Could I/we ? Could you ? 表示更委婉表示更委婉、更、更客气的请求。客气的请求。 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. 有时在陈述句中也表示更委婉、更客气的有时在陈述句中也表示更委婉、更客气的请求或邀请：请求或邀请：I wonder if I could/might leave now.I dont suppos
27、e you could/might.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?(2) could 表示过去的技能表示过去的技能、本能、本能; was/ were able to 表示过去某一具体场合经过努力而表示过去某一具体场合经过努力而做成某事做成某事。 I could swim when I was s
28、ix. He started late, but he was able to catch the eight oclock train. =but he managed to catch =but he succeeded in catching But: Mr. Smith couldnt/wasnt able to see you because hes got a bad cold.(3) be able to还有完成式和非谓语形式还有完成式和非谓语形式。 Im sorry I havent been able to answer your letter. =Im sorry for
29、not being able to answer your letter. To be able to run is very important for a footballer. 4. have to的意思是的意思是“必须、不得不必须、不得不”, 往往往往 强调由于客观原因而必须做某事。强调由于客观原因而必须做某事。 have to 后接动词原形；后接动词原形；have to有人称、有人称、 数和时态的变化数和时态的变化, 其其第三人称单数形式第三人称单数形式为为 has to, 其其疑问形式和否定形式疑问形式和否定形式要借助于要借助于 助动词助动词do或或does来完成。例如：来完成。例
30、如：We have to look after our sister at home.我们不得不在家照顾我们的妹妹。我们不得不在家照顾我们的妹妹。Does he have to get up early tomorrow morning? 明天早上他必须早起吗？明天早上他必须早起吗？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。情态动词情态动词“have to”与其他的情态动词与其他的情态动词如如“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,
31、而而have to有有, 它的第三人称单数它的第三人称单数 为为“has to” 如：如： He should study hard. He has to study hard. 2) 这这4个情态动词在一般疑问句中将它们放个情态动词在一般疑问句中将它们放 在句首在句首, 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”要加助动词要加助动词do , does或或d
32、id才才可能完成其疑问句、否定句。可能完成其疑问句、否定句。 5. must/have to (1)must 表示主观表示主观“必须必须”；have to表示客观表示客观客观需要，即客观需要，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 new one. (now) You must get up at five tomorrow. We (will) have to get up early tomorrow were going to
33、Devon. (future) I had to leave early because I wasnt feeling well. She said she must/had to see the manager. (past) 表示邀请的句型表示邀请的句型: (你能来参加我的聚会吗你能来参加我的聚会吗?) Can you come to my party?Could you come to my party?Would you like to come to my party?接受邀请接受邀请:拒绝邀请拒绝邀请:Sure, Id love/like to.Im sorry, I cant.
34、 I have to/Im V-ingExercise 一、选择正确的词一、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.askingformuch4. Can you come to my party (at/ on) Saturday night?5. She invites me (watch/ to
35、watch) the basketball match the day after tomorrow.6. I like playing (piano/ the piano).onto watchthe piano二二. 对话填空。每空一词，单词的首字母已给出。对话填空。每空一词，单词的首字母已给出。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_. Wh
36、ats the matter?ovies orryomeworkad eelingB: Im not sure. Maybe I have a c_, as Im feeling a little cold.A: I think youd b_ go 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 三、选择题三、选择题1. Can you play tennis with on Saturday ? A
37、. 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. cantACBD5
38、. - ? -Its October the 14th. A. When is today B. whats today C. What time is today D. What day is today6. He is with his father the whole day. A. fish B. fishes C. to fish D. fishingBD7. Can you come to my party? - . A: Sure, I love B: Sure, I love to C: Sure, Id love to D: Sure, Id love.C8. -Would
39、you like to play football with us? -_, but Im busy. A. No, I cant B. No, I wouldnt C. Yes, Im glad D. Yes, Id love to 9. -_I take the newspaper away? -No, you mustnt. You _ read it only here. A. Must; can B. May; can C. Need; must D. Must; must ABIts a Birthday Party Friday,June30,at four hirtyLisas house ,15th StreetCome and have fun!For whom : Time : Place :LisaHomework Write an invitation based on the following information.
