内容正文:
Unit 1
Can you play the guitar?
Section A Grammar Focus-3c
Learning aims
1.会背会默重点单词:write, show, or, talk, kung fu。
2.掌握情态动词can的肯定句和一般疑问句及其肯定、否定回答; 学会灵活运用can的多种否定形式:can’t, cannot; 掌握can在what引导的特殊疑问句中的用法。
3.能运用情态动词can谈论自己或他人的能力。
Observe and learn
Can you/he/xx…?
What can … do? … can/can’t...
Yes, I/he/we/they can.
No, I/he/we/they can’t.
Have a think:
can后的动词形式有何特点?
can随人称变化而变化吗?
can的否定形式是什么样的?有缩略形式吗?
can在一般疑问句和特殊疑问句中需要借助助动词吗?
can后的动词形式有什么特点?
这里用来谈论人的能力
can后的动词形式有什么特点?
can随人称变化吗?
can的否定式?
can需要借助助动词吗?
原形
不变
can’t=cannot
不需要
Can you swim? Yes, I can. /No, I can’t.
Can he play chess? Yes, he can./No, he can’t.
Can you and Tom play chess? Yes, we can./No, we can’t.
Can Jane and Jill swim? Yes, they can./No, they can’t.
What can you do? I can dance./ I can’t sing.
What club do you want to join? We want to join the chess club.
情态动词“can”
1. can表示能力, 其后+动词原形。
2. can无人称变化。
3.can't=cannot
4.can不需要借助助动词变否定或疑问
情态动词can的句型结构
肯定句 主语 + can + 动词原形 + 其他.
He can play the piano. 他会弹钢琴。
否定句 主语 + can't/cannot + 动词原形+其他.
He can’t/cannot play the piano. 他不会弹钢琴。
一般疑问句 Can + 主语 + 动词原形 + 其他?
肯定回答:Yes, 主语 + can.
否定回答:No, 主语 + can’t.
—Can he play the piano? 他会弹钢琴吗?
—Yes, he can. 是的,他会。/No, he can’t. 不,他不会。
特殊疑问句 特殊疑问词 + can + 主语 + 动词原形+其他?
What can he do? 他会做什么?
Practice 1: Fill in the blanks with the appropriate form of the given word.
(1) I can’t (write) stories. Can you help me?
(2) My sister can (speak) English very well.
(3) What can you father (do)?
(4) Lily can’t play the piano, but she can (sing) well.
(5) Tom can (draw), but he (不会) dance.
write
speak
do
sing
draw
can’t
Practice 2: Rewrite these sentences.
(1)My father can speak English well. (改为一般疑问句并作出肯定回答)
Can your father speak English well?
----Yes, he can.
Practice 2: Rewrite these sentences.
(2)Tom can play the piano. (改为一般疑问句并作出否定回答)
Can Tom play the piano?
----No, he can’t.
Practice 2: Rewrite these sentence