Unit 9 Can you come to my party 第1课时 考点讲解（23张PPT）

Unit 9 Can you come to my party?
第一课时
R·八年级上册
What are you going to do this weekend?
Lead in
Lead in
prepare for an exam
I'm going to ...
Lead in
go to the doctor
I'm going to ...
Lead in
go shopping
I'm going to ...
Lead in
help parents with the housework
I'm going to ...
Lead in
do homework
I'm going to ...
Lead in
meet my friend
I'm going to ...
Lead in
Can you come to my party on Saturday afternoon?
Language points
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的否定形式为can not/can’t/cannot；过去式为could，其过去否定形式为could not/couldn’t。
一、can的用法
Language points
1. 表示能力
情态动词can一般指体力、知识、技能等方面的能力，即“能够；会”。
例：我哥哥会游泳，但是我不会。
My brother can swim but I can’t.
Language points
-Can you swim?
-My brother can swim but I can’t.
Language points
2. 表示许可
多用在口语中，表示请求或允许，意为“可以；能够”等。用于疑问句中用来提出要求，用于否定句中表示不允许。
Language points
-Can I use your pen?
-OK. Here you are.
Language points
3. 表示推测
情态动词can表示推测时，常用于否定句或疑问句，意为“（不）可能”。用于肯定句中表示理论上的可能性，意为“有时会”。
Language points
It can be very cold in the south of China.
Language points
4. 表示邀请
could较can更礼貌、委婉。
用can发出邀请时，用一般疑问句：
Can+主语+动词原形+其他？
例：你能来参加我的聚会吗？
Can you come to my party?
Language points
二、邀请的回复
Yes, I’d love/like to.
Certainly, I’d love/like to.
Sure, I’d love/like to.
Thanks for your invitation.
Thanks for asking me.
1. 接受邀请
Language points
2. 拒绝邀请
I’m sorry, I can’t. I have to …
I’d love to, but I have to …
Sorry, I can’t. I’m going to ...
Thanks for your invitation.
Thank you for asking me.
Let's talk
I’m sorry, I'm going to the doctor.
Hey, Lily. Can you go to the movies on Saturday?
Practice
1. — Can you come to play soccer with me?
— _____.
A. I can B. That’s all right C. Sure. I’d love to
2. Jim ________ play soccer with his friend this
weekend, because he is very busy.
A. can B. cans C. cann’t D. can’t
Class summary
Unit 9 Can you come to my party?
Can you come to my party on Saturday afternoon?
Yes, I’d love/like to.
Certainly, I’d love/like to.
Sure, I’d love/like to.
I’m sorry, I can’t. I have to …
I’d love to, but I have to …
Sorry, I can’t. I’m going to ...
Thank you!