(共29张PPT)
人教新目标版 八年级上册
Unit 9 Can you come to my party
Section A Grammar Focus-3c
Learning objectives
Knowledge objectives:
1. 熟练掌握以下词汇和短语
invite, accept, refuse, invite sb. to a party/wedding, invite sb. to do sth., refuse to do sth.
2. 熟练掌握以下句型
1. —Can you go to the movies tomorrow night
—Sure,that sounds great./I’m afraid not. I have the flu.
2. —Can she go to the baseball game
—No,she’s not available. She must go to the doctor.
3. They might have to meet their friends.
Skill objectives:
1. 通过教师引导和学生在活动中的感悟总结，学生能用得体的语言发出、接受或拒绝别人的邀请，并陈述自己的理由。
2. 掌握情态动词can/could/may/might /musthave to的运用，运用所学短语、 句型来发出、接受或拒绝邀请
3. 通过3a和3b练习，进一步巩固知识。
Emotional objectives:
培养学生运用所学语言进行礼貌的邀请和委婉的拒绝。
Thinking quality objectives:
通过语法结构的学习,思考如何运用语法结构帮助我们提高英语的听、说、读、写的能力。
Warm up
Enjoy a video.
How many modal verbs are there in the video
I couldn’t see, now I can.
I woundn’t listen, now I will.
He may see happy, but he might be sad.
You ought to be kind.
You should do your best.
You don’t have to walk. No, you needn’t.
I’m able to drive. Yes, I can.
We have to, we must obey traffic lights.
We can go on green, but we mustn’t on red.
情态动词[modal verb]
can could
may might
must have to
情态动词的用法
Translate these sentences and let’s read.
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.
星期六你能来我的聚会吗？
当然，我乐意去。/对不起，我必须为数学考试而学习。
明天晚上你能去看电影吗？
当然可以，听起来很棒。
恐怕不行，我得了流感。
他能去聚会吗？
不能。他得帮助他的父母。
她能参加棒球比赛吗？
不，她没有空。她必须去看医生。
他们能去看电影吗
不，他们没有空。他们可能必须去见朋友。
Grammar Focus
Read the following sentences and find out the modal verb.
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.
拒绝邀请
说明理由
接受邀请
用can打听第三方是否能参加聚会，表示一种可能性。
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
情态动词can的用法
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
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
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
肯定回答通常有：
Yes, I’d love/ like to.
Certainly, I’d love/ like to.
Sure, I’d love/ like to.
That sounds great/good.
Thanks for asking me.
Thanks for your invitation.
否定回答通常有：
I’m sorry, I’m not free/available. Thanks for your invitation. I might have to/must...
Sorry, I’m afraid not. I might have to/must...
Sorry, I can’t. I might have to/must...
I’d love/ like to, but I have to…
Remember: 当你拒绝他人的邀请时，要特别注意礼貌。
通常你要给个理由，说明为什么无法接受邀请, 或者道歉。
当用情态动词can发出邀请时，其回答分为两类。
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
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.
情态动词have to 与must的用法
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
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
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.
Exercises
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
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。
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.
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.
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.
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.
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
Language points
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。
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
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。
Homework
1. Do the exercises in students’ book.
2. Preview the new words and phrases in Section B(1a-1e).
谢谢
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