Unit 3 Could you please clean your room 第1课时考点讲解 （16张PPT）

Unit 3 Could you please clean your room?
R·八年级下册
第一课时
What do you usually do at home?
I usually do homework.
Lead in
What do you usually do at home?
I usually watch TV.
What do you usually do at home?
I usually read books.
What do you usually do at home?
I usually do housework.
一、情态动词could的用法
情态动词could构成的句型用于向对方委婉地提出请求或征求对方的许可。
用于疑问句中，可代替can，在时间上与can没有区别，但语气要比can委婉、有礼貌。
Language points
1. 委婉地请求别人做某事（提出请求）
(1)句型：Could you do…? / Could you please do…?
你能……吗? / 请问你能……吗?
(2)
肯定回答： Certainly./Of course./With pleasure./
No problem./Yes, sure.
否定回答： No, I can’t./Certainly not./
No, I’m afraid I can’t.
Yes, sure.
Could you please do the dishes?
【拓展】否定句式：
Could/Would you please not do sth.?
请你不要做某事好吗？
Could you please not sleep in class?
2. 委婉地请求别人允许自己做某事（征求许可）
句型：Could I do…?我可以做……吗?
肯定回答：Yes, you can./Certainly./Yes, sure.
否定回答：No, you can’t./No, I’m afraid you can’t.
Could I play the games?
No, I'm afraid you can't.
—Could you take the dog for a walk, Peter?
—__________.
A. Sure, I’d love to B. You’re welcome
C. I’m sorry to hear that D. Here you are
Practice
2. —Could I have your name, please?
—_______.
A. Sorry, I’m not B. Yes, you could
C. You can call me Jenny
3. —Could I use your bike?
—Sure, you _______.
A. might B. can C. should
Summary
1.委婉地请求别人做某事
-Could you do…?/Could you please do…?
-Certainly./Of course./With pleasure./No problem./Yes, sure.
-No, I can't./Certainly not./No, I'm afraid I can't.
2.委婉地请求别人允许自己做某事
-Could I do…?
-Yes, you can./Certainly./Yes, sure.
-No, you can't./No, I'm afraid you can't.
Thanks