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统编八下英语
同步精品课件
人教版八年级下册
2025年春八下英语情景教学课件含嵌音视频
Unit 3 Could you please clean your room
Section A Grammar Focus
目 录
1
Learning Objectives
2
Warming Up
3
Grammar
5
Summary
4
Exercises
At the end of the class, we are able to:
1. learn to make polite requests using “Could you please...？”;
2. learn to ask for permission using “Could I ...？”.
Learning Objectives
Warming Up
Using the structures to express requests and permissions politely.
A:Could I...
B:Yes, you can, but first.../Of course, but could you...
Sorry, you can't.You have to...
A: Could I take the dog for a walk/walk the dog after dinner
B: Yes, you can, but first ...
walk the dog
A: Could I hang out with my friend
B: Of course, but could you...
hang out
hold a party
A: Could I hold a party
B: Sorry, you can't. You have to ...
我可以和朋友出去吃晚饭吗 当然，应该没问题。
看完电影我们能去喝点什么吗 不，你不能。你明天有一场篮球赛。
你可以带狗去散散步吗 好的，但是我想先看一个节目。
你能把垃圾拿出去吗 好的，没问题。
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.
Could you please take the dog for a walk
OK, but I want to watch one show first.
请翻译下列句子
Could you please take out the rubbish
Yes, sure.
Presentation
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.
Could you please take the dog for a walk OK, but I want to watch one show first.
Could you please take out the rubbish Yes, sure.
Which sentence is asking for permission
情态动词could
Ask for permission
①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.
e.g. Could I use your phone, please
Certainly.
Could we go to the cinema next saturday
No, I’m afraid not. I have to take piano lessons.
请让我用一下你的电话可以吗？
我们下周六可以一起去电影院吗？
当然！
不，恐怕不行，我得上钢琴课。
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.
Could you please take the dog for a walk OK, but I want to watch one show first.
Could you please take out the rubbish Yes, sure.
Which sentence is asking for requests
情态动词could
Ask for requests
②委婉地请求别人做某事（提出请求）
句型：Could you do… / Could you please do…
你能……吗 / 请问你能……吗
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.
【注意】回答只用can/can't，不用could/couldn't.
e.g. —Could you help us take care of the child on Friday
—你星期五帮我们看一下孩子好吗？
—With pleasure.
—很乐意。
③（表示可能）可能
e.g.Don’t worry—they could have just forgotten to call.
别担心，他们可能只是忘了打电话。
Mike couldn’t have left it on the bus, could he
迈克不可能把它落在公共汽车上了吧？
【拓展】
④（用于建议）可以
e.g. We could write a letter to the teacher.
我们不妨给老师写封信。
You could always try his home number.
你总可以试着给他往家里打电话呀。
注意：
could的否定形式是could not，缩写为couldn’t。
can 表示现在的能力 He can speak a little English now.
他现在会说一点英语。
could 表示过去的能力 She could play the piano when she was five.
她五岁时就会弹钢琴了
could和can的区别（I）
①在表示请求许可时，没有时间区别，在语气上could 更加委婉客气。
e.g. Can I use your pen
我可以用你的钢笔吗？
Could I have a look at your book
我可以看一下你的书吗？
② 在表示可能性方面，没有时间区别，can 可能性比could 大；表示逻
辑上或理论上的可能性，而不是某种实际上将要发生或正在发生的可能性。
e.g. Anybody can make mistake.
任何人都可能犯错误。
could和can的区别（II）
4a Write R for requests and P for permission. 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
P
R
P
R
Practice
v./ b r /
v./pɑ s/
pass sb. sth.
= pass sth. to sb.
borrow sth. (from sb./sth.)
5. ______Could you lend me some money
R
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.
1. d
2. a
3. c
4. e
5. b
v./lend/
n./ f ɡ (r)/
lend (out) sth. (to sb.)
lend (sb.) sth.
4b 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
do
Could
help
Could
fold
could
please
v./he t/
n./t (r)/
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
conj./wa l/
1. — 请你教我如何制作香蕉奶昔好吗？
— 好的，当然可以。
—________ you please ________ me how to make a banana milk shake
—________, __________.
2. — 请你把我们的院子打扫一下好吗？
— 当然可以。
—_________ you please ________ our yard
—___________________.
Could
teach
Yes sure
Sure/Certainly/OK
Could
sweep
Instant Training
3. — 请你帮我洗车好吗？ — 对不起，我不能。我必须去上学。
— Could you please help me wash the car
—______, ______ _______. I have to go to school.
4. — 我能坐在这儿吗？ — 是的，你可以坐这儿。
— ______ I _____ here
—Yes, you _______.
5. — 我能借一下你的自行车吗？ — 对不起。我得骑车外出。
—_______ I _______ your bike
—_______. I have to ride it to go out.
Sorry I can’t
Could sit
can
Could borrow
Sorry
4c Make a list of things your group needs to do for a camping trip. Then discuss who will do them and complete the chart.
Production
A: Could you please bring a tent, Liu Chang
B: Sure. And could you please...
C: Sorry, I can’t. I have to...
To-do list Name
bring a tent Liu Chang
Your Time~
bring some food
Li Mei
…
…
Of course. And could you please bring some drink
Could you please bring some food, Li Mei
No problem!
1.—Excuse me, ________ I take the book out
—Yes, you can.
A. should B. need C. could D. must
2. —Could you please pass me the ruler
—________. Here you are.
A. Of course not B. No problem C. Never mind D. No way
一、单项选择。
Exercises
C
B
3. —Michael, could you please help me work out this maths problem
—OK. ________.
A. Here you are B. Thank you
C. I'm afraid I can't D. Let me have a try
4. —Judy, could you please _______ the rubbish
—Yes, sure.
A. taking out B. to take out C. take out D. took out
5. Could you please _______ loudly here Your little sister is sleeping.
A. not sing B. not to sing C. don’t sing D. no sing
D
C
A
二、根据句意及首字母提示写出单词。
1. (2023乐山改编)Thousands of runners rushed out the starting line
w many people were cheering along the road.
2. Mike often helps his mother with the c at home.
3. My pen was broken in the exam, so the teacher l　 hers to me.
4. The boy h　　　　 playing the piano. Look, he is crying again.
5. —What happened to you, Lucy
—I cut my f when I cut up the carrots.
ent
hores
hile
ates
inger
1. Grammar：
Use could for polite requests and asking for permission.
2. Key words and expressions:
pass, borrow, lend, finger, hate, chore, while
Summary
谢谢
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