(共30张PPT)
人教新目标版 八年级(上)
Unit 9 Can you come to my party
Period 2 Section A
Grammar focus-3c
语法课优质课
Presentation
Learning aims
1.学习本课新词汇:invite, accept, refuse, invite sb. to a party/wedding, invite
sb. to do sth., refuse to do sth.
学会下列句型:-Can you go to the movies tomorrow night
-Sure,that sounds great./I’m afraid not. I have the flu.
-Can she go to the baseball game
-No,she’s not available. She must go to the doctor.
They might have to meet their friends.
2. 通过阅读、观察、讨论Grammar Focus等方式找出并总结接受或拒绝
邀请的句子；学习情态动词can, might, must, have to的用法。能用can发
出邀请；熟练使用have to /has to 来谈论职责和义务；情态动词might表示
推测和可能性。
3.通过3a选词补全对话，3b用所给词完成对话及3c邀请同学参加聚会并作
报告的方式体验目标句型的使用，学会礼貌待人，尊重别人，委婉拒绝，
维护与促进朋友间友谊关系。
Presentation
Revision
Pre-grammar
Look and write.
Write down the colorful weekend activities in English.
____________ ____________ ___________ ___________
____________ ____________ ___________ ___________
study for a test
have a piano lesson
visit his aunt
surf the Internet
go to the doctor
play basketball
go to the cinema
climb mountains
Presentation
Revision
Pre-grammar
Ask and answer.
Can you come to my birthday party
A: Can you come to my birthday party
B: Sure, I’d love to./ I'm sorry , I can't . /I'm afraid not./ Sorry,I’m not free/available.
I have to / must /might have to....
Presentation
Revision
Pre-grammar
Ask and answer.
birthday party
A: Can you come to my birthday party
B: Sure, I’d love to.
go to the movies
go to the doctor
A: Can you go to the movies
go to the zoo
prepare for an exam
A: Can you go to the zoo
B: I’m sorry, I can’t. I must go to the doctor.
B: I’m sorry. I’m not free/available. I have to prepare for an exam. Maybe another/next time.
Presentation
Revision
Pre-grammar
Ask and answer.
go to the concert
help my parents
play soccer
watch TV
A: Can you go to the concert
A: Can you play soccer with me
play computer games
go to the baseball game
A: Can you play computer games with me
B: I’m sorry, I can’t. I must help my
parents.
A: Can she play soccer with me
B: No, she can’t. She must watch TV.
B: I’m sorry, I can’t. I watch TV.
A: Can he play computer games with me
B: No, he can’t. He has to go to the baseball game.
B: Sorry, I can’t. I have to go to the baseball game.
Presentation
Revision
Pre-grammar
Ask and answer.
Yes, she can.
Can she come to the party
Can she …
Can he go to the baseball game
No, he can’t. He has to study.
Can he …
Can they …
Can they come to the party
No, they can’t. They have to study for the math
test.
Presentation
New words
Pre-grammar
Listen and repeat.
invite v. 邀请
I’d like to invite you to dinner.
我想邀请你吃晚饭。
accept v. 接受
They didn’t accept his money.
他们没有接受他的钱。
refuse v. 拒绝
The girl refused his invitation.
女孩拒绝了他的邀请。
Grammar Focus
While-Grammar
Read the sentences and translate them.
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.
Presentation
Practice
While-Grammar
1. 星期六你能来我的聚会吗？____ you _____ to my party on Saturday
2. 当然，我乐意去。Sure. ____ ____ ___.
3. 对不起，我必须为数学考试而学习。Sorry, I _____ _____ ____ a math test.
4. 明天晚上你能去看电影吗？____ you ____ to the movies _________ night
5. 当然可以，听起来很棒。 _____, that _______ _____.
6. 恐怕不行，我得了流感。I’m ______ not. I have the ____.
7. 他能去聚会吗？ ____ he ___ to the party
8. 不能。他得帮助他的父母。No, he _____. He _____ to help his parents.
9. 她能参加棒球比赛吗？____ she go to the baseball ______
10. 不，她没有空。她必须去看医生。
No, she’s ____ _________. She ______ ___ to the _______.
11. 他们能去看电影吗？ ____ they ____ to the _______
12. 不，他们没有空。他们可能必须去见朋友。
No, they’re not ____. They _____ _____ ___ meet their ________.
I’d love to
Can come
must study for
Can go
tomorrow
Sure sounds great
afraid flu
Can go
can’t has
Can game
not available must
go doctor
Can go movies
free might have
to friends
Fill in the blanks according to grammar focus.
Presentation
Grammar Focus
While-Grammar
探究语法规律
What did you find out
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.
探究一：情态动词can表示邀请的用法
情态动词can除了表示能力、许可和猜测之外，还可以表示邀请(前两句)。表示邀请时，could比can更礼貌、更委婉。
can表示邀请时常用一般疑问句句式，结构为: Can+ 主语+ 动词原形+ 其他？
后三句中的can，用can打听第三方是否能参加聚会，表示一种可能性。
Presentation
Grammar Focus
While-Grammar
探究语法规律
探究一：情态动词can表示邀请的用法
一、情态动词 can 的基本用法(复习)
情态动词 can 有一定的词义, 但不能独立存在, 它必须与动词原形一起构成谓语。情态动词 can 没有人称和数的变化。其具体用法如下:
1. 表示“能、会”, 指脑力或体力方面的“能力”。如:
I can speak English. 我会讲英语。
Jim can swim but I can’t. 吉姆会游泳, 但我不会。
2. 表示“可能”, 常用于否定句或疑问句中, 指某种可能性。例如:
Han Mei can’t be in the classroom. 韩梅不可能在教室里。
Can he come here today, please 请问他今天能到这里来吗？
3. 表示“可以”, 常用于口语中, 指许可或请求做某事。如:
Can I have a cup of tea, please 请问我可以喝一杯茶吗？
You can go out. 你可以出去了。
Presentation
Grammar Focus
While-Grammar
探究语法规律
探究一：情态动词can表示邀请的用法
二、情态动词 can表示邀请(本单元用法)
Can you ... 意为“你能……吗？”，可用于邀请别人或委婉地请求某人去做某事。
(1)当用情态动词can发出邀请时，用一般疑问句Can+主语+动词原形+其他？
如：Can you come to my party 你能来参加我的聚会吗？
(2)当用情态动词can发出邀请时，其回答分为两类。一类表示接受邀请，另一类表示拒绝邀请。(探究二具体讲解)
(3)表示邀请的其它句型: (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
Presentation
Grammar Focus
While-Grammar
探究语法规律
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.
What did you find out
探究二：情态动词can表示邀请时回答的两种情况
对于用情态动词can发出的邀请，回答时主要有两种情况：
当同意接受对方的邀请时，常用Sure, I’d love(like) to. \Sure. That sounds great. \Certainly.\ Of course.等。
Presentation
Grammar Focus
While-Grammar
探究语法规律
探究一：情态动词can表示邀请时回答的两种情况
若不接受邀请，一般不直接说No，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。Sorry, I can’t. I … \ I’m afraid not. I have to …\Sorry, I not available.\I’m sorry. I’m not free. I have to … \ I’d love to come. But I’m afraid I can’t. I must/have to\ Thanks for your invitation. But .... ….
-- Can you go to the baseball game 你能去参加棒球比赛吗？
-- I’m sorry, I can’t. 对不起，我不能。
—Can you come to my birthday party tomorrow？
—Sorry, I can’t. I am going to visit my grandpa.
如：恐怕不行，我要去探望我的姑姑。__________________________________
I’m afraid not. I have to visit my aunt.
Presentation
Grammar Focus
While-Grammar
探究语法规律
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.
What did you find out
探究三：情态动词must与have to用法的区别
二者都有“必须”之意，但 have to 表示“客观上的需要”，有人称和时态的变化，否定形式为 don’t / doesn’t / didn’t have to (没必要)；must 表示“主观上的要求”，无人称和时态的变化，否定回答一般用 needn’t 或 don't have to (不必)。mustn’t 表示“禁止”。
Presentation
1. have (has) to + 动词原形
have (has) to 后面要用动词原形。当主语为第三人称单数时用 has to，当句子是过去时用 had to。
We have to leave now. 我们不得不现在就离开。
He has to work on Sunday. 他不得不在周日工作。
I had to do my homework last Sunday. 上周日我不得不做作业。
2. have to 的否定句句型：主语 + don’t/didn’t/ doesn’t/won’t +have to + 动词原形
You don’t have to walk so fast. 你不必走那么快。
He will not have to buy a new coat next year. 明年他没必要买新外衣了。
Grammar Focus
While-Grammar
探究语法规律
探究三：情态动词must与have to用法的区别
have to 的用法
Presentation
Grammar Focus
While-Grammar
探究语法规律
探究三：情态动词must与have to用法的区别
have to 的用法
3. have to 的疑问句句型：Do/Does/Did/Will + 主语 + have to + 动词原形
Do you have to get up early 你必须早起床吗？
Does he have to leave now？他必须现在离开吗？
must 的用法
情态动词must表示主观“必须”。
I don’t like this TV set. I must buy a new one.
You mustn't tell him about it. 你一定不要把这件事告诉他。
—Must I be home before eight o’clock 8点之前我必须回家吗？
—Yes, you must. / No, you needn‘t. / No, you don’t have to.
是的，必须回家。/不，不必。
Presentation
Grammar Focus
While-Grammar
探究语法规律
探究三：情态动词must与have to用法的区别
have to 的用法与must的区别
二者都有“必须”之意，但 have to 表示“客观上的需要”，有人称和时态的变化，否定形式为 don’t / doesn’t / didn’t have to (没必要)；must 表示“主观上的要求”，无人称和时态的变化，否定回答一般用 needn’t 或 don't have to (不必)。mustn’t 表示“禁止”。
We have to wear warm clothes in winter.
冬天我们不得不穿上暖和的衣服。(客观需要)
I must finish my homework first before I watch TV.
看电视前我必须先完成作业。(主观要求)
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.
Presentation
Grammar Focus
While-Grammar
探究语法规律
What did you find out
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.
探究四：情态动词might用法
情态动词 含义及用法 例句
might 表示请求，许可，意为“可以”，语气比may更委婉 Might I ask you a question
表示推测，意为“可能”，语气缓和，较委婉，可能性低于may ①He is away from the school. He might be sick.
②The paper says that it might rain．
may的过去式, 意为“可能” He said he might come tomorrow.
Presentation
Practice
Post-Grammar
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: ____________________________________.
watch TV
I might practice the violin
I might finish it on the weekend
I might go with my cousin
Sorry. I might visit my grandparents
Presentation
Practice
Post-Grammar
3b
1. Inviting: ____________________________ (can/play tennis)
Accepting: ________________________
2. Inviting: ___________________________(would like to/go to the movies)
Refusing: _____________________
Reasons: ___________________________________ (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: _________________________
Complete the sentences below. Use the words in brackets to help you.
Can you play tennis with us
Sure. I’d love to.
Would you like to go to the movies
I’m afraid I can’t.
I might have to prepare for the math exam.
Can you hang out with us tonight
I must help my mom at home.
Sorry. I can’t.
Would you like to come to my birthday party
Sure. I’d love to.
Presentation
Practice
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.
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
Presentation
Practice
Post-Grammar
Invite your classmates to your party. See if they are available.
Can you come to my party on Saturday afternoon
Sure. I’d love to.
I’m sorry. I must practice the violin
on Saturday afternoon.
I’m afraid not.
I have the flu.
Presentation
Language points
Post-Grammar
invite v. 邀请
① The man invited my father to go fishing with him this morning.
这个男人邀请我爸爸今天上午和他一起去钓鱼。
根据句①可知“邀请某人干某事”为invite sb. to do sth.。
② I invited him to my house yesterday.我昨天邀请他来我家。
根据句②可知，invite sb. to后也可跟名词。
③ He will not come without your invitation.没有你的邀请他是不会来的。
根据句③可知，invite 的名词是invitation。
即时练
1. Mr. Green invited me _______ (visit) his factory last week.
2. Thanks a lot for your ________ (invite).
But I have to stay at home to do my homework.
3.Thanks for________ (invite) me to your party.
to visit
invitation
inviting
Presentation
Class test
Post-Grammar
一、选择题
1. Can you play tennis with on Saturday
A. us B. we C. our D. ours
2. Henry 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 the school team.
A. on B. in C. to D. with
4. Jim play soccer with his friend this weekend, because he is very busy.
A. can B. cans C. cann’t D. can’t
5. - -It’s October the 14th.
A. When is today B. what’s today C. What time is today D. What day is today
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.
A
C
B
D
B
C
Presentation
Class test
Post-Grammar
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.
二、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
Presentation
Homework
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.
https://www.21cnjy.com/help/help_extract.php
