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SectionA(Grammar Focus-3c)
Unit9 Can you come to my party
Presentation
Warming up
Let's enjoy a video.
Ways to invitation
Can you come to my party
Make an invitation:
Accept the invitation:
Decline the invitation:
Reasons:
Sure, I‘d love to.
/That sounds great...
I have to... /I must ....
/I might have to ...
afraid not.
not available.
not free.
I’m sorry, I’m
Review
Revision
prepare for
an exam
go to
the doctor
help
my parents
meet
my friends
Watch the World Cup
have
a party
can’t
can’t
can’t
can’t
can’t
might
must
can’t
have to
have to
might
might
情态动词
Revision
Can you come to my party
Grammar Focus
Can you come to my party on Saturday Sure, I’d love to.
Sorry, I must study for a math test.
Can you go to the movies tomorrow night Sure. That sounds great.
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 baseball game No. she’s not available. She must go to the doctor.
Can they go to the movies No, they’re not free. They might have to meet their friends.
Grammar Focus
What did you find out
Grammar Focus
情态动词can
can是一个常见的情态动词，表示说话人的语气或情态，基本意思是“能；会”。
它没有人称和数的变化，在句子中不能单独作谓语，其后必须跟实义动词原形。
can 可以表示邀请、能力、许可和猜测。
Grammar Focus
情态动词can的用法
He can play basketball.
She can draw.
They can swim.
can表示“能、会”，指脑力或体力方面的 “能力”。
Can没有人称和数的变化
Can+动词原形
Grammar Focus
表示 “可以”，常用于口语中，表示请求或许可。
Can I ask a question
may也表示“许可”，用于较正式场合。
May I come in
情态动词can的用法
Grammar Focus
表示推测，常用于否定句或疑问句，意思是“(不)可能”。
Mary went to the library. The girl under the tree can’t be her.
May也可以表示推测！
—Why didn’t Tom go to school today
—He may be ill.
情态动词can的用法
Grammar Focus
情态动词can除了表示能力、许可和推测之外，还可以表示邀请。
Can you come to my birthday party
could也可表示邀请，比can更礼貌、更委婉。
Could you come to my birthday party
情态动词can的基本用法:
表能力：能；会
表请求允许：可以；能
表猜测： 可能
表邀请： 可以
情态动词can的用法
Grammar Focus
情态动词have to 与must的用法
have to意为“必须，不得不”，后跟动词原形。单数第三人称形式为has to, 过去时形式为had to。其疑问形式和否定形式要借助于助动词do或does来完成。
She has to work at midnight.
I have to finish my homework before 10 p.m.
They had to wait another ten minutes.
Grammar Focus
must意为“必须”，后跟动词原形。must没有人称和数的变化。
I don’t like these books. I must buy a new one.
She must obey traffic rules.
We must keep quiet in the library.
情态动词have to 与must的用法
Grammar Focus
must用在肯定句中表示较有把握的推测, 意为 “一定”。
—Where is Mary I can't find her anywhere.
—She must be in the library. She loves reading books when she is free.
must引导的一般疑问句，否定回答是needn’t.
—Must I finish my homework now
—No, you needn’t.
情态动词have to 与must的用法
Grammar Focus
must表示主观“必须”; have to表示客观需要，即“不得不”。
We must wear masks when we go out.
He has to run for half an hour every day.
1.must表示主观“必须”,
没有人称和数的变化。
2.must表示肯定推测
3. must引导的一般疑问句，
否定回答是needn’t.
1.have to 表示客观需要
“不得不”。
2. have to有人称和数的变化。
情态动词have to 与must的用法
Grammar Focus
Grammar Focus
Can you come to my party on Saturday Sure, I’d love to.
Sorry, I must study for a math test.
Can you go to the movies tomorrow night Sure. That sounds great.
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 baseball game No. she’s not available. She must go to the doctor.
Can they go to the movies No, they’re not free. They might have to meet their friends.
Besides CAN and MUST/HAVE TO,
what other modal verb can you find
情态动词might的用法
might是may的过去式，表示推测时，意为“可能”，语气缓和，委婉，可能性低于may。
—Can they go to the movies
—No, they're not. They might have to meet their friends.
表示请求，许可，意为“可以”，语气比may更委婉。
Might I ask you a question
Might I use your bike
Grammar Focus
一、单项选择。
1. — ______ you come to my house to watch the baseball match on TV
—Sure, I’d love to.
A. May B. Must C. Should D. Can
2. — Today is my birthday. Can you come to my party tonight
— ______, but I should finish my homework first.
A. That’s too bad B. Yes, please
C. No, I don’t know D. I’d love to
3. —Why didn’t you come to my party
—I _____stay at home，because my mother was ill.
A. has to B. have to C. had D. had to
4. They were afraid that it _____ rain the next day.
A. must B. should C. might D. may
5. —______ I swim here
—I’m sorry. Children _____swim alone. It’s dangerous.
A. Must; can’t B. Can; mustn’t
C. May; must D. Can’t; can
D
D
D
C
B
Exercises
二、翻译下面的句子。
Would you like to come to my birthday party It’s at four thirty on Friday.
2. 你想参加我的生日聚会吗？是星期五的四点半。
1. 你周日能去我家吃晚饭吗？
Can you come to my place to have a dinner on Sunday
— Can you come to my party
— I’m not sure. I might have to help my mom.
— Can she go to the movies
— No, she can’t. She’s playing soccer.
4. —她能去看电影吗？
—不，她不能，她正在踢足球。
3. —你能参加我的晚会吗？
—我不确定。我可能得帮助我妈妈。
Exercises
Grammar Focus
Can you come to my party on Saturday Sure, I’d love to.
Sorry, I must study for a math test.
Can you go to the movies tomorrow night Sure. That sounds great.
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 baseball game No. she’s not available.
She must go to the doctor.
Can they go to the movies No, they’re not free.
They might have to meet their friends.
Read again
Grammar Focus
Can you come to my party on Saturday Sure, I’d love to.
Sorry, I must study for a math test.
Can you go to the movies tomorrow night Sure. That sounds great.
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 baseball game No. she’s not available. She must go to the doctor.
Can they go to the movies No, they’re not free. They might have to meet their friends.
How to accept invitations
Sure, I’d love to.
Sure. That sounds great.
Yes, I’d love/like to.
Certainly, I’d love/like to.
Thanks for your invitation. I will go.
Grammar Focus
Can you come to my party on Saturday Sure, I’d love to.
Sorry, I must study for a math test.
Can you go to the movies tomorrow night Sure. That sounds great.
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 baseball game No. she’s not available.
She must go to the doctor.
Can they go to the movies No, they’re not free.
They might have to meet their friends.
Read again
Grammar Focus
Can you come to my party on Saturday Sure, I’d love to.
Sorry, I must study for a math test.
Can you go to the movies tomorrow night Sure. That sounds great.
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 baseball game No. she’s not available. She must go to the doctor.
Can they go to the movies No, they’re not free. They might have to meet their friends.
How to accept invitations
Sorry. I must....
I’m afraid not.
No, he can’t. He has to....
No, she’s not available. She must...
No, they’re not free. They might have to ...
向别人发出邀请、
请求、建议
或征求某人的意见，
其他表达方法
Would you like to… “你想要/愿意…… ？”
Would/Will/Could you please… “请你……好吗？”
Shall we… “我们……好吗？”
Let’s… “我们……吧。”
Why not… =Why don’t you… “为什么不……？”
How/What about… “……怎么样？”
Expansion
Anna
Hey, Jane. Can you come to my party on Saturday
Can you come to my party on Saturday afternoon, Jane
Sun Ning
I’d like to go to Sun Ning’s party.
I’d love to go to Anna’s party, too.
Can’t they have the party together
Am I free on Saturday
What do I have to do
Think about
Jane
3a
Complete the answers with might and one of the phrases in the box.
watch TV
on the weekend
my cousin
visit my grandparents
practice the violin
1. A: What are you going to do on Saturday
B: I’m not sure. I might _____________________
2. A: What are you planning to do after school
B: I don’t know. _____________________
3. A: When will you finish the science homework
B:________________________________________
4. A: Who are you going to the movies with
B:____________________________________
5. A: Are you free to come to my place on Saturday
B: _______________________________________
visit my grandparents.
I might watch TV.
I don’t know. I might finish it on the weekend.
I’m not sure. I might go with my cousin.
I’m not sure. I might have to practice the violin.
Post-Grammar
3b
Complete the sentences below. Use the words in brackets to help you.
Inviting: _________________________________(can / play tennis)
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’m not available.
I might have to go out with my parents.
Post-Grammar
3. Inviting: ____________________________________
(can/hang out with us tonight)
Refusing: ____________________________________________
Reason: ___________________________________________ (must)
4. Inviting: _____________________________________
( would like to / come to my birthday party)
Accepting: _________________________________
Can you hang out with us tonight
Sorry, I’m not free.
I must study for a test.
Would you like to come to my birthday party
Sure. I’d love to.
Post-Grammar
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.
Post-Grammar
MON.
TUE.
WED.
THUR.
FRI.
SAT.
SUN.
go to the movies at night
visit my grandpa in the afternoon
look after my sister in the evening
prepare for the chess game at night
study for a test all day
play basketball after school
go shopping with my parents
Post-Grammar
1. Inviting（教材P67 3b）
invite 用作动词，意为“邀请”。常见用法有：invite sb. to do sth.
邀请某人做某事; invite sb. to sp.邀请某人去某地。
My best friend invited me to her birthday party.
Yesterday Anna invited me to watch the film.
如：我最好的朋友邀请我参加她的生日聚会。
昨天安娜邀请我看电影。
【拓展】invitation n. 意为“请柬；请帖；邀请” 与invitation相关的短语有：
make an invitation 发出邀请 accept an invitation 接受邀请
turn down/refuse/decline an invitation拒绝邀请
Thanks for your invitation.
如：谢谢你的邀请。
Language points
2. Accepting（教材P67 3b）
二者都含有“收到，接受”的意思。
accept意为“接受”，强调主观接受。
receive意为“收到；接到”，强调客观收到，但并不意味着同意接受。【注意】从搭配上说，在表示“接受教育、受到欢迎、得到支持、接待客人”等时，通常用receive。
根据句意选用accept或receive的适当形式填空。
1) Lily ________ a warm welcome when she went into the classroom.
2) Yesterday, Jack ________ an invitation from Mark and ________ it happily.
received
received
accepted
Language points
3. Refusing（教材P67 3b）
refuse作动词，意为“拒绝”，与turn down/decline同义，与accept互为反义词。refuse to do sth. “拒绝做某事”。
Jenny refused my help politely.
The children refused to give up hope when in trouble.
孩子们遇到困难时不肯放弃希望
如：Jenny礼貌地拒绝了我的帮助。
Language points
1. — ____ you come to my house to watch the baseball match on TV
—Sure, I’d love to.
A. May B. Must C. Should D. Can
2. —Why didn’t you come to my party
—I _____stay at home，because my mother was ill.
has to B. have to C. had D. had to
3. They were afraid that it _____ rain the next day.
A. must B. should C. might D. may
一、单项选择
Exercises
D
D
C
Exercises
二、填空
Exercises
1. He _______(邀请)me_______(visit)his new home last Sunday.
2. Luckily, they__________(接受)my apology(道歉).
3. I don’t know how__________(拒绝)him.
4. How about________(go) to the movies
5. Can you________(take) the dog for a walk
6. You are free ________(play)basketball .
invited
to visit
accepted
to refuse
going
take
to play
Exercises
Presentation
A: Hey, Bob. 1. ___________
B: I’m sorry. I have to help my parents.
A: 2. ________. How about you, Ling Ling
Can you come to my party
L: 3. _________
A: On Saturday afternoon.
L: Oh, no, I can’t. 4. ____________
A: That’s too bad. 5. _____________.
L: Sure! Thanks for asking.
三、选择句子补全对话
A. That’s too bad.
B. Can you come to my party
C. Are you going shopping with me
D. Maybe another time.
E. I have to study for a test.
F. When is it
G. I’d love to.
1. ___ 2. ___ 3. __ 4. ___ 5. ___
B
A
F
E
D
Exercises
Summary
情
态
动
词
Unit 9
can
表示“能力”，意为“能，会”，否定形式为can’t ,couldn’t。
Mike can speak a little Chinese.
表推测，常用在否定句和疑问句中。
He can’t be at home. He has gone to Japan.
用在疑问句中，表示“征求意见”，
could比can的语气更委婉、客气。
Could you tell me something about your school
表示邀请。could也可以表示邀请。
Can you come to my birthday party
Could you come to my birthday party
must
must表示“必须”，后跟动词原形。没有人称和数的变化。
must表示肯定推测，意为“一定，肯定”。
---Where is Monica I can’t find her anywhere.
---She must be in the library.
She loves reading books when she is free.
在回答must引导的一般疑问句时，否定回答要用needn’t
—Must I be home before ten o’clock 十点钟我必须在家吗？
—No, you needn’t. 不，你不必一定在。
【辨析】must和have to
1.must表示主观看法，只有一种形式
As a student, I must study very hard.
2.have to表示客观需要，有多种形式，可用于不同时态。
I have to be at my office before eight every morning.
3.must 表示主观“必须”； have to表示客观需要，“不得不”。
might
表示许可，意为“可以”。might比may语气更客气，更委婉。
May/Might I go now 我可以现在去吗？
May/Might I have a talk with you 我可以和你聊聊吗？
表示可能性，意为“可能”，might的可能性比较小。
He may/might be sick. 他可能是病了。
That woman goes into the classroom. She may/might be our teacher.
Summary
No matter what happens,
just be positive!
Presentation
It’s a Birthday Party
Friday,June30,at four thirty
Lisa’s house ,15th Street
Come and have fun!
For whom :
Time :
Lisa
1. 抄写语法表里的句子。
2. 背诵2c的对话。
3. Write an invitation based on the following information.
Homework
谢谢
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