To learn the sentence pattern:
-- Could you please take out the rubbish?
-- Yes,sure.
-- Could we get something to drink after the movie?
-- No,you can't.You have a basketball game tomorrow.
If we need help, what should we say politely?
Which is the most polite one?
1. Sweep the floor, Peter!
2. Can you sweep the floor, Peter?
3. Could you please sweep the floor?
Grammar Focus
Could I go out for dinner with my
friends?
Sure, that should be OK.
Could we get something to drink after
the movie?
No, you can’t, you have a
basketball game tomorrow.
Can you please take the dog for a walk? OK, but I want to watch
one show first.
Can you please take out the rubbish? Yes, sure.
一. Could 用法聚焦：
1).Could I get a ride?
Yes, you can.
2).Could I use the car?
Sorry, you can’t. I have to go to a meeting.
3).Could I stay out late?
No, you have a test tomorrow.
4).Could you please clean your room?
Yes, sure.
5).Could you please do the dishes?
Sorry, I can’t. I have to do my homework.
6).Could I go to the movies?
Yes, you can.
7).Could I use the car?
No, you can’t. I have to go out.
1. 表示委婉地请求别人做某事：
Could you (please) do sth?
Could you please clean your room? 你可以打扫你的房间吗？
A肯定回答：Yes, I can./Yes, sure. / Yes, of course./no problem.
是的，我可以。
B否定回答：Sorry, I can’t. I have to do my homework.
对不起，我不得不做作业。
A:—Could you please +v/not v(动词原形)…？
Yes, I can.
All right.
B:“Yes” Sure.
No problem.
Certainly.
No , I can’t…
I have to …
B:“No”
Sorry, I can’t…
I have to …
2. 表示委婉地请求别人允许自己做某事:
Could I do sth.?
Could I go to the movies? 我能去看电影吗？
肯定回答：Yes, you can. /yes, please./ Yes, sure.
当然可以。
否定回答：No, you can't./sorry, you can't /I'm afraid you can't.
不，不行。
3. could与can的区别
could与can都是情态动词，could是can的过去式。二者都可用于表
示请求，但是用法稍有不同:在表示请求帮助或请求允许的疑问句
中，我们常用could代替can， 以表示礼貌、委婉或不确定的语气，
而can 则不具有这些语气。这样用时，不能把could 看作为can 的
过去式。
A. can表示一般性的请求，语气随便，常用于熟人之间或长辈对辈、
上级对下级的场合；
B. could表示有礼貌的请求，语气委婉，常用于非熟人之间或晚辈
对长辈、下级对上级的场合。
Now make sentences using could and the following phrases.
（1）go to the movies 去看电影
（2）stay out late 在外面待得很晚
（3）use the car 使用汽车
（4）get a ride 去骑车
（5）use your computer 使用你的电脑
（6）borrow some money 借些钱
（7）invite my friends to a party 邀请我的朋友参加晚会
（8）go to the store 去商店
（9）use your CD player 使用你的CD播放器
pair work
could
can 的过去时
表示 能力：能够
礼貌的请求：
可以…吗
提出建议：
可以做…
推测:
可能
1).I could run fast when I was a child.
2).Could you help me?
3).You could talk to your teacher now.
4).He couldn’t be at the school then.
Write R for requests and P for permissions. Then match each
one with the correct response.
1._____ Could I hang out with my friends after the movie?
2. ____Could you please pass me the salt?
3.____Could I borrow that book?
4.____Could you help me do the dishes?
5.____Could you lend me some money?
P
R
P
R
R
4a
1.Could I hang out with my friends
after the movie?
2.Could you please pass me the salt?
3.Could I borrow that book?
4.Could you help me do the dishes?
5.Could you lend me some money?
a.Yes, here you are.
b. Hmm. How much do you
need?
c.Yes, sure. No problem. I
finished reading it last night.
d. Yes, but don’t come back too
late.
e. No, I can't I cut my finger and
I’m trying not to get it wet.
Fill in the blanks in the conversation.
A: I hate to_______ chores.
B: Well, I hate some chores too, but I like other chores.
A: Really? Great! ______I ask you to____ me with some chores then?
B: What do you need help with ?
A: ______ you please _____my clothes for me?
B: I don’t want to do that! It’s boring!
A: OK. Then______ you ______do the dishes for me?
B: Sure, no problem. But_______ we go to the movies after that?
A: Sure, I’ll finish my homework while you help me with the dishes.
Then we can go to the movies.
Could
do
help
Could fold
4b
could please
could
Fill in the blanks and practice the conversations.
1.A：I hurt________ when I played basketball yesterday. What
_______ I do?
B: You_______ see a doctor and get an X-ray.
2. A: ________the matter?
B: My sister and I _________sore throats.__________ we go to school?
A: No, you_________.
3.A: _______ Mike ______ a fever?
B: No, he ______. He ______a stomachache.
A: He _______ drink some hot tea.
myself
should
should
What’s
have Should
shouldn’t
Does have
doesn’t has
should
Make a list of things your group needs to do for a camping trip.
Then discuss who will do bring a tent them and complete the
chart.
A: Could you please bring Liu Chang?
B: Sure. And could you please …?
C: Sorry, I can’t. I have to…
4c
To-do list Name
bring a tent Liu Chang
1. —Excuse me, could you help me with the heavy box?
—______.
A. Yes, I do B. It doesn’t matter C. Of course D.Thank you
2. —Could I have your name, please?
—_______.
A. Sorry, I’m not B. Yes, you could
C. You can call me Jenny D.With pleasure
3. —Could I use your bike?
—Sure, you _______.
A. might B. can C. should D.must
4. Could you please ______ me look for my dog?
A. help B. helped C. to help D.helping
5. My brother is _____ his homework and my mother is ______ dinner.
A. making; making B. doing; making
C. making; doing D.doing;doing
Exercises
这个暑假你与父母要去法国去度假， 你的宠物
小猫Mimi需要请Jimmy帮忙照顾。请用下面的
提示词给Jimmy写份留言。
take care of, take for a walk, feed and give some
water, play with him, clean
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