(共23张PPT)
（人教新目标版）八年级上
Period 2 Section A Grammar Focus (3a-3c)
Unit 9
Can you come to my party
Learning objectives
1．要求掌握以下词汇：
invite, accept,refuse
2. 要求掌握以下句式:
Can you come to my party on Saturday afternoon
Sure, I'd love to . Sorry, I must study for a math test.
Can he go to the party
No, he can't. He has to help his parents.
Can they go to the movies
No, they're not free. They might have to meet their friends.
Sam isn't leaving until next Wednesday.
refuse
v. 拒绝
invite
v. 邀请
accept
v. 接受
New Words
Why is the man angry
The man misunderstood (误解) what the boy said.
can除了表示人或物本身具有的能力外，还可以表示邀请、请求。
Lead in
Watch the video and review the conversation between Sun Ning and his friends.
Ted
Sun Ning
Jenny
Tim
Wilson
Anna
Kay
I'm sorry, I ______. I _______ help my parents.
_____ you come to my party on Saturday afternoon
I'd love to.
Oh, no, I _____. I ______
prepare for an exam.
Sorry, I _______ go to the doctor.
I can't. I ___________ meet my friend.
I _____ either. I have the flu.
can't
have to
have to
must
might have to
can't
Can
can此处表示邀请。
“不行，不可以”，拒绝邀请。
can't
Pay attention to the circled words.
Lead in
can除了表示人或物本身具有的能力
外，还可以表示邀请、请求，常用句型"Can + you + 动词_____ + ... "
can的用法
原形
肯定回答：Sure. / Of course. / Yes, I'd love to. / Sure, I'd love to.
否定回答：Sorry, I can't. / Sorry, I'm not free / available. / I'd love to, but ... / I'm afraid not.
1. - Can you go to the movies with me today
- Sorry, I can't. I have to prepare for a test.
2. - Can you pass me the salt
- Sure.
Presentation
might（表示可能性）可能，也许，might + infinitive (might go / might be / might rain etc.):
might的用法
He might get there in time, but I can't
be sure.
他有可能准时到达，但我不敢肯定。
2. Don't go any closer - it might be dangerous/it might not be safe.
别再走近了——那可能有危险／不安全。
Presentation
must & have to的用法
must和have to都表示“必须”，但must侧重_______ 看法，认为有必要或有义务去做某事；have to侧重_______需求，有“不得不”之意。
客观
主观
Presentation
must的否定式为___________，表示“一定不要”。
have to的否定式为____________，表示“不必”。
mustn't
don't have to
Presentation
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
watch TV on the weekend my cousin
visit my grandparents practice the violin
将要；打算
计划做某事
be free to do sth
有空做某事
Complete the answers with might and one of the phrases in the box.
3a
P67
Possible answers:
Practice
Can you play tennis on Saturday
Sure. That sounds great.
Would you like to go to the movies on Friday
Sorry, I can't.
I might have to go out with my parents.
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.
Complete the sentences below. Use the words in brackets to help you.
3b
P67
Possible answers:
Inviting: _____________________________(can/play tennis)
Accepting: _______________________________________
2. Inviting: _________________________________________
(would like to/go to the movies)
Refusing: ________________________________________
Reason: __________________________________(might have to)
3. Inviting: _________________________________________
(can/ hang out with us tonight)
Refusing: ________________________________________
Reason: ___________________________________(must)
4. Inviting: _________________________________________
(would like to/come to my birthday party)
Accepting: _______________________________________.
Practice
MON.
TUE.
WED.
THUR.
FRI.
SAT.
SUN.
P67
For example:
Write down everything you have to do next week. Choose a day and time to have a party. Then invite classmates to your party.
3c
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.
Practice
1. Your answer ____ be right, but I'm going to check to make sure.
A. can't B. might C. must
2. - Would you like to visit Tianjin University tomorrow
- Sorry, I'm afraid I _____. I'll work as a volunteer in
my community.
A. can B. can't C. must D. mustn't
单项填空。
Practice
选词填空。
can might must have to
have to
1. B: I'm going to help clean up the City Park
tomorrow. Would you like to go with me
A: Sure, I'd love to. When and where shall we
meet
B: Let's meet at 8:00 a.m. at the school gate
tomorrow.
A: Sorry, I ________ see the dentist then. Shall we
make it a little later
Practice
2. — Tom, _____ you help me with the housework
— Sure, but I'm busy right now.
3. There is a small thing we use every day. We usually put it in the bathroom. If we don't use it, we _______ have tooth problems.
4. Parents _______ make sure their children behave (举止，表现) well so that they won't cause any trouble for others.
can might must have to
can
might
must
Practice
制糖画与普通绘画不同。制糖画师使用糖浆作为材料，一把勺子作为“画笔”，一张光滑的桌子作为“纸”。要制作糖浆，画画前他们得先将糖煮热。由于糖浆在冷却后可能变硬，画师必须迅速完成作品。他们用盛满糖浆的勺子上下左右来回挥动，很快就完成了一幅糖画。
翻译句子。
Sugar painting is different from normal painting. Sugar painters use syrup (糖浆) as the material, a spoon as the "paintbrush", and a smooth table as the "paper". To make syrup, they have to make sugar hot before painting. Since syrup may become hard if it cools, the painters have to produce the work very quickly. They move the spoon full of syrup up and down, left and right. Soon a sugar painting is done.
Practice
invite
accept
refuse
v. 邀请
v. 接受
v. 拒绝；回绝
1. Her family invited me to stay with them for a few weeks.
她家里人邀请我留下住几个星期。
2. She decided not to accept the job.
她决定不接受这项工作。
3. She refused to accept that there was a problem.
她拒不接受有问题存在。
4. I politely refused their invitation.
我礼貌地回绝了他们的邀请。
Practice
efused
根据句意及提示完成句子。
nvite
accept
You feel it hard to stay focused (注意力集中的), like a monkey jumping from thought to thought.
1. Finally, he r________ our invitation to the party because he had to prepare for an important interview (面试).
2. Our headmaster will i______ a scientist to give us a speech on space technology (技术；科技).
3. It's common to feel like this because humans have around 6,000 thoughts per day. So _______ (接受) it and make friends with your monkey mind.
Practice
课时重点回顾
1. - Can you come to my party on Saturday
- Sure, I'd love to./Sorry, I must study for a math test.
2. - Can he go to the party
- No, he can't. He has to help his parents.
3. - Can they go to the movies
- No, they're not free. They might have to meet their
friends.
Summary
1. Can you use can to make invitations
2. Can you use might to talk about possibilities
3. Can you use must and have to to talk about obligations
4. Do you know the difference between must and have to
Self-evaluation
1. Make sentences using can, might, must, and have to.
2. Preview 1a-1f on P68.
Homework
