八年级英语上Unit 9 Can you come to my party？语法课件（共有PPT16张）

(共16张PPT)
unit 9
Can you come to my party
Grammar
课时目标：
1. 掌握情态动词can表示邀请的用法
2. 掌握重点词汇、短语
3. 运用常用的邀请用语及其答语，培养 学生的实际运用能力。
Lead-in
What are they doing
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.
划出动词短语
常见的情态动词有：can/could, may/might, shall/should, will/would, must, have to, need, etc..
本单元重点讨论can的用法，顺带说其他的用法。
情态动词 can
can表示脑力、体力等方面的“能力”，意为：能够，会
She can play basketball very well.
can表示：许可，意为：可以，此时相当于may, 常见搭配：Can/May I....
Can/May I come in （may较正式）
can表示请求、邀请。can的过去式为：could, 用could 表示邀请时，语气比can更加礼貌、委婉
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.
在委婉语气中
用could 时，
语气比can
更加礼貌、委婉
can表示邀请时的句型结构
Can+主语+动原+其他？
Can they go to the movies
Could you give me some milk
can表示邀请时，回答分为两类：接受和拒绝。
Sure, I’d love to.
Sure, That sounds great.
Of course./ Certainly. /Yes, I’d love(like) to.
Sorry, I must..../ I’m afraid not./
No, 主语+can’t..../
No, I’m not available.=No, I’m not free.
其他常见表示：请求、邀请、
建议、征求意见的句型：
1 Would you like to do... 你想要/你愿意......吗
Would you like some coffee
2 Could you do... 你能......吗
Could you turn the TV down
3 Why not do sth... =Why don’t you/we do sth...
......为什么不呢
Why not be on time = Why don’t you be on time
表推测。
must（一定是）、can’t(一定不是)
It must be Tom’s book because his name is on the cover.
may/might（常肯：可能，或许）I may be there tomorrow.
can/could（常否、疑：有可能)
表示请求。 may/might+主语+动原
回答为：No, 主语+mustn’t /can’t.
——May I leave now
——No, you must’t./can’t.
may/might
must和have to都表示：必须、不得不。但二者区别在于：
1. must表示：自己个人主观认为“必须”；
have to表示: 客观条件“必须”。
I must get up at 8:00 o’clock tomorrow because I want to go shopping.
We have to put off this public activity because of COVID-19.
2. 回答must, 常用：Yes, 主语+must./ No, 主语+needn’t.
——Must I finish the job today
——Yes, you must. /No, you needn’t.
must & have to
总结
1. 情态动词can表示邀请的用法
2. can的问句以及答语
3. must和have to 的用法和区别
4. may/might 的用法
5. 其他表示邀请的句型
沙场点兵
1 ——____you come with me to the piano concert this evening
——I’d like to, but I have to for the English test.
A.Should B.May C. Must D. Can
2 What about____ me a hand, Mary
A.giving B. give C.to give D. gave
3. I _____ have to look after my sister, but I’m not sure.
A. can B. must C. may D.will
4. He would like ________ us ________ to his party.
A．invite; to go B．to invite; to go
C．invite; go D．to invite; go
1.Tony invites us ________ (play) soccer with him tomorrow.
2.He will not refuse ________ (help) you. Don’t worry.
3.Who is making the __________ (invite), do you know
4. Li Chen asked Fan Bingbing to marry him and she ________ (accept).
5. I’d like you to come to the ________ (open) of our new library on Monday.
用所给词的正确形式填空
to play
to help
invitation
accepted
opening