Unit 9 Can you come to my party?
1. 2. 3. 4. Learn 10 important phrases. Can for invitation. Use modal verb. have to Be+V-ing shows action or plan in the future
REVISION ? .prepare for an exam ? .go to the doctor ? .have the flu ? .help my parents ? .meet my friend
have the flu
help my parents
prepare for an exam
meet my friend
go to the doctor
Can she come to the party?
Can he go to the baseball game?
No,he can’t. He has to study.
Can they come to the party？
No ，they can’t. They have to study for the math test.
A: Can your mother go to the concert? B: When is it? A: It’s on Saturday evening. B: Sure/ Yes/ Certainly, she’d love to.
B: No, she can’t. She is doing housework. She has to babysit my sister. your mother She has a party with her friends. concert
Monday evening do housework
babysit my sister have a party with her friends
they play football Sunday afternoon have an English test visit their teachers do homework
A: Can they play football with us? B: When is it? A: It’s on Sunday afternoon. B: Sure, they’d love to Yes, they can.
B: No, they can’t. They have an English test. They are visiting their teachers.
They have to do their homework.
Sure/Yes/Of course, I’d love to. Certainly, I’d like to.
I’m sorry, I can’t. 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 the movies/ go to my guitar lesson/ watch a football match/play tennis/ go to the doctor/ surf the Internet/ go fishing/ relax at home
Grammar Focus Can you come to my Sure, I’d love to. party on Saturday? Sorry, I must study for a math test. Can you go to the Sure. That sounds great. movies tomorrow night? I’m afraid not. I have the flu. Can he go to the party? No, he can’t. He has to help his parents. Can she go to the No. she’s not available. She baseball game? must go to the doctor. Can they go to the No, they’re not free. They movies? might have to meet their friends.
Complete these sentences
? ? ? ? ? 1.I have to study 2.You should 3.I have 4. I should help 5. I have to visit A. a piano lesson at 3:00. B. my aunt. C. go to the doctor. D. for a test. E. my parents.
-- Can you come to my party? -- I’m sorry I can’t. 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 cousin’s birthday party ? 8. am not feeling well
巩固词组(Ask and answer in p
A.Can you come to my party? B.Sorry,I can’t. I have to_________. 1.为考试而学习 study for a test 2.看医生 go to the doctor 3.上钢琴课 have a piano lesson 4.帮助我的父母亲 help my parents 5.拜访我的姑姑 visit my aunt
3a Complete the answers with might and one of the phrases in the box. watch TV on the weekend my cousin visit grandparents practice the violin 1. A: What are you going to do on Saturday?
B: I’m not sure. I might______________ practice the violin.
2. A: What are you planning to do after school?
B: I don’t know. ____________________ I might watch TV.
3. A: When will you finish the science homework? B: I’m not sure. I might finish it
On the weekend
_________________________________ 4. A: Who are you going to the movies with? B: I’m not sure. I might go with My cousin __________________________________
5. A: Are you free to come to my place on
3b Complete the sentences below. Use the words in brackets to help you. 1. Inviting: (can / play tennis)
Can you come to play tennis?
Sure, that sounds great. Accepting:________________________
2. Inviting: (would like to/ go to the movies)
Reason: (might have to) would you like to go to the movies? ______________________________ Refusing : I’m afraid not. I have too much
______________________________ homework to do. 3. Inviting: (can/hang out with us tonight)
____________________________________ Can you hang out with us tonight?
Refusing: _____________________________ No, I can’t. I must finish my homework.
4. Inviting: ( would like to / come to my
______________________________________ Would you like to come to my birthday party? Sure, I’d love to. Accepting:______________________________
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: I’m sorry. I have to study for a math test.
Do you know week?
星期一 星期二 星期三 星期四 星期五 星期六 星期日 Monday Tuesday Wednesday Thursday Friday Saturday Sunday
colorful weekend activities
go go shopping skateboarding
go to the cinema
surf the Internet go fishing
go to a party
go to the concert
study for a test
have a piano lesson
go to the doctor
visit his aunt
go to a baseball game/ have baseball training
What do you usually do on weekends?
What activities do you do on weekends?
What weekend activities do you do?
have to … 不得不 A: What do you have to do this weekend? B: I have to…
study for a test
go to the doctor
have a dancing lesson
情态动词主要有：may/might, can/could, must, have to, shall/should, will/would, ought to, need, dare, used to。 现在我们来着重学习情态动词can 以及 have to 的用法。 其特
2. 没有人称和数的变化。 (have to除外)
3. 否定形式：在其之后加not (have to除外)。
疑问形式：情态动词提到主语之前(have to 除外)。
受对方的邀请时, 常用Sure, I’d love to. /
Certainly. /Of course.等来回答；若不接受,
常用Sorry等来有礼貌地拒绝, 一般情况下 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？ —Sorry, I can’t. I am going to visit my
(1) 都可表示“许可” 。may用于较正式、客 气的场合，而can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 can’t park here.
(2) May/Can I/we…? 表示征询对方许可。
Can you…? 表示请求。 ① — May I use your phone? — Yes, you may./Yes, please. /No, you may not.
/No, you mustn’t.
/No, you’d better not.
/I’m afraid not.
/I’m sorry. I’d rather you didn’t. ② — Can I go out and play, Mum? —Yes/Certainly, you can. /No, you can’t. ③ — Can you help me with this bag? —With pleasure./Sorry, I can’t. (3) 都可表示“可能性”
Mr. Reed looks pale. He may be ill. (事实上的可能). Mr. Read is in poor health. He can be ill at any time. (逻辑、理论上的可能) This news may be true. (=might/could) (事实上的可能)
Wang Wei can be really stubborn.
This news may not be true. (也许不, =might not ) This news can’t be true. (不可能, =couldn’t)
Can this news be true?(=Could)
≠May this news be true?
(4) can 还可表示“能力”、“能够” —You can swim, can’t you? —No, I can’t. I can’t promise anything, but I’ll do what
Tickets can be bought from the Tourist
(1) 分别为may和can的一般过去时，分别表示 过去的“许可”、“可能”和“能力” 、 “能够”等。 The children asked whether they could/might go for a swim.(过去许可) I was afraid it might rain that afternoon. (过去可能) He asked if the news could be true. (过去可能)(Can the news be true?)
She said he could speak several languages.
I couldn’t find her telephone number.
①—There’s someone at the door.
—It could/might(=may) be George. (肯定句)
/It couldn’t (=can’t) be George.(否定句)
/Could(=Can) it be George?(疑问句)
② According to the radio it could/might/ may
③ Lightning could (=can) be dangerous.
(3) Might/Could I/we …? Could you …?
表示更委婉、更客气的请求。 ① —Might/Could I ask you one more question? —Yes, of course you may/might/can/ could. ② —Could you help me with these boxes? —Of course I can./With pleasure.
—I wonder if I could/might leave now. —I don’t suppose you could/might.
3. can/be able to (1) can= am/is/are able to = shall/will be able to ① No one can do it. =No one is able to do it.
② Can you come tonight?
=Will you be able to come tonight?
(2) could 表示过去的技能、本能; was/ were able to 表示过去某一具体场合经过努力而 做成某事。 ① I could swim when I was six. ② He started late, but he was able to catch the eight o’clock train. =…but he managed to catch … =…but he succeeded in catching …
③Mr. Smith couldn’t/wasn’t able to see you because he’s got a bad cold.
(3) be able to还有完成式和非谓语形式。 ① I’m sorry I haven’t been able to answer your letter. =I’m sorry for not being able to answer your letter. ② To be able to run is very important for a footballer.
4. have to的意思是“必须、不得不”, 往往 强调由于客观原因而必须做某事。 have to 后接动词原形；have to有人称、
has to, 其疑问形式和否定形式要借助于 助动词do或does来完成。例如：
We have to look after our sister at home. 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？ I don’t have to stay at home today. 今天我不必呆在家里。
情态动词“have to‖与其他的情态动词 如“can‖, ―may‖ ―must‖和 “should‖ 不同。 1) 这4个情态动词没有人称的变化, 而have to有, 它的第三人称单数 为“has to‖ 如： He should study hard. He has to study hard.
2) 这4个情态动词在一般疑问句中将它们放 在句首, 在否定句中直接在他们后边加not即可。
--Can he go with us? 他能和我们一起去吗？
--He can’t go with us. 他不能和我们一起去。
而“have to‖要加助动词do , does或did才 可能完成其疑问句、否定句。
5. must/have to
(1) must 表示主观“必须”；have to表示客观 客观需要，即“不得不” 。 I don’t like this TV set. I must buy a new one. This TV set doesn’t work. We have to buy a new one. (now)
You must get up at five tomorrow. We (will) have to get up early tomorrow — we’re going to Devon. (future) I had to leave early because I wasn’t feeling well. She said she must/had to see the manager. (past)
表示邀请的句型: (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
: Sure, I’d love/like to. 拒绝邀请: I’m sorry, I can’t. I have to… /I’m V-ing…
一、选择正确的词 ? Thank you for ? Paul has to study math test tonight. ? My sister has too homework to do. much(much/ many) asking (ask/ asking), for (at/ for) the but I can’t go to the movies with you.
4. Can you come to my party Saturday night?
5. She invites me to watch (watch/ to watch) the
basketball match the day after tomorrow.
6. I like playing the piano (piano/ the piano).
二. 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? ovies B: I’m s______, I can’t. I have too much orry h_________ this weekend. And I’m not omework
eeling f_____ ____ well today.
A: That’s too b____. What’s the matter? ad
B: I’m not sure. Maybe I have a c______, as old I’m feeling a little cold. A: I think you’d b_____ go to the d_______. etter octor B: I also t______ so. hink A: Maybe I’m asking you to come another time. B: Sure. T______ for asking. hanks
三、选择题 1. Can you play tennis with A on Saturday ? A. us B. we C. our D. ours 2. Henry C his homework this afternoon. A. have to do B. have to doing C. has to do D. has to doing 3. Tony is playing tennis B the school team. A. on B. in C. to D. with 4. Jim D play soccer with his friend this weekend, because he is very busy. A. can B. cans C. cann’t D. can’t
? B. what’s today
-It’s October the 14th. A. When is today C. What time is today D. What day is today 6. He is A. fish
with his father the whole day. B. fishes
C. to fish
7. –Can you come to my party? -
A: Sure, I love
B: Sure, I love to
C: Sure, I’d love to
D: Sure, I’d love.
8. ---Would you like to play football with us?
---____________, but I’m busy. A A. No, I can’t B. No, I wouldn’t C. Yes, I’m glad D. Yes, I’d love to
9. ---___________I take the newspaper away?
---No, you mustn’t. You ______ read it only B here. A. Must; can C. Need; must B. May; can D. Must; must
Write an invitation based on the following information.
It’s a Birthday Party
For whom : Lisa Time : Friday,June30,at four hirty Place : Lisa’s house ,15th Street
Come and have fun!