人教新目标版英语八年级下Unit 3 Could you please clean your room?情态动词could和倒装句课件（29张PPT无素材）

(共29张PPT)
八年级-下册-第三单元
课题：
Could you please clean your room
难点名称：
情态动词could的用法及礼貌地提出请求和征求许可
目录
CONTENTS
2
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.
｝
｝
ask for
permission
politely
礼貌地
征求许可
make polite
requests
礼貌地
提出请求
导入
4
情态动词could的用法及
礼貌地提出请求和征求许可
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
Write R for requests and P for permissions.
Then choose a right answer.
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.
测一测
Write R for requests and P for permissions.
Then choose a right answer.
1. Could I hang out with my friends after the movie
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.
d. Yes, but don’t come back too late.
P
Write R for requests and P for permissions.
Then choose a right answer.
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.
a. Yes, here you are.
2. Could you please pass me the salt
R
Write R for requests and P for permissions.
Then choose a right answer.
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.
3. Could I borrow that book
c. Yes, sure. No problem. I finished reading it last night.
P
Write R for requests and P for permissions.
Then choose a right answer.
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.
4. Could you help me do the dishes
e. No, I can’t. I cut my finger and I’m trying not to get it wet.
R
Write R for requests and P for permissions.
Then choose a right answer.
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.
5. Could you lend me some money
b. Hmm. How much do you need
R
1. Could I ... 和 Could you please... 这两个句型中，could 不
是用作can的过去式，而是使用could语气更加委婉。
类似的礼貌的表示请求或建议的句型有：
1. Would you like +sth. / to do sth.
2. Shall we + do sth.
3. May I + do sth.
4. What / How about + sth. / doing sth.
5. Would you mind + sth. / doing sth.
知识点讲解
2. Could I ... 和 Could you please... 这两个句型中，回答 时要用
can 或 can't，不能用could 或couldn't.
-- Could I turn the television up
-- Yes, you can. / Sorry , you can't.
-- Tom, could you please sweep the floor
-- Sure, I can. / Sorry, I can't. I have to practice the piano.
根据提示完成下列句子。
1. The math problem is difficult. Mary wants to ask the
teacher for help:
Could you please help me with the math problem
2. Mary wants to go to the movies after dinner. She may ask
her mother:
Could I go to the movies after dinner
3. -- Could you come and play basketball with us
-- I’m afraid I ______. I have to do my homework.
4. -- Could I go out with my friends tonight, mum
-- Of course, you _____. But you must be back by 11:00.
can't
can
试一试
请求允许问句：
1. Can / Could / May I ... 我可不可以.......？
2. Can / Will you please ... 你能......吗
3. Would you mind ( not) ... 你介意(不)......吗
4. I wonder if I could /can... 我想知道我能否.....
5. Would you please.. 你能......吗
6. I wonder if... 我想知道是否.....
7.Do / Would you mind if... 你是否介意我......
表示不介意/同意的回答:
1. Yes. / Sure. / Of course./
Yes, I will.当然可以。
2. No, not at all.
不，一点儿也不介意。
3. Yes, do please. /
Go ahead, please. 请吧。
4. That's OK. / AII right.好的。
5. Please hurry. 请快点儿。
6. No, I don't mind.
不，我不介意。
7. Certainly not. /Of course not.
当然不介意。
8. No, go ahead.
不介意，你干吧。
9. Sure, I'll be glad to...
当然可以,我将会很高兴......
表示介意/不同意的回答:
1. Sorry, I'm afraid I can't.对不起，我恐怕不行。
2. You'd better not.你最好不要。
3. I'm afraid not.恐怕不行。
4. I'm sorry you can't...很抱歉，你不能.....
记一记
Learn more about “could”
could 与 can 都是情态动词，could 除了可以表达礼貌地提出请求和许可外，还有以下用法：
1. could 是can 的过去式，表示一种能力。
Example: Lisa could play the violin when she was 6.
莉萨在她六岁的时候就会拉小提琴了。
选用正确的情态动词填空。
1. When I was young, I _____ play different kinds of instruments.
2. My little sister _____ speak English well.
could
can
2. could 还可以用来表示推测，表示“有可能，也许”，语气
缓和，较委婉。
Example: The French book could be Alice's. She studies French.
这本法语书很可能是爱丽丝的。她学法语。
3. 表示建议。
Example: You could buy your mother a handbag as her
birthday present.
你可以给你的妈妈买一个手提包作为她的生日礼物。
1. -- Excuse me, could you help me with the heavy box -- _____.
A. Yes, I do B. It doesn’t matter C. Of course
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
4. -- Could you please clean the room
-- ______ I have to do my homework.
A. Yes, sure. B. Why not
C. Sorry, you can’t. D. Sorry, I can’t.
5. — Would you like to come to my birthday party
—I’d love to, _____I’m too busy.
A. and B. if C. so D. but
课堂练习
could
的用法
can 的过去式
I could jump high when I was a little girl.
表推测
It could be Mary's hair band. She likes pink very much.
表建议
You could ask your English teacher for help.
礼貌地请求
Could you please make your bed
请求许可
Could I go out for dinner with may friends
小节
A polite person can travel the world.
有礼貌的人能走遍天下。
-------以so,neither开头的倒装句
倒 装 句
人教版八年级下册第三单元
Me too / So do I.
以so,neither开头的倒装句
在英语中，主语和谓语的语序通常是主语在前，谓语在后。但有时由于语法或修辞的需要将谓语的部分或全部提到主语前面，这样的语序叫做倒装.
牢记三句话，拿下倒装句
以so,neither开头的倒装句只有三个部分
肯定用so，否定用neither / nor（第一空）
剩下一空用助动词/情态动词/be动词（与前句时态保持一致，与自己的人称数量上保持一致）
人称一致半倒装（第二空），人称不一致完全倒装（第三空）
倒装句考点一
1.—Mike has read the book about the science museum.
— ___ ____ _________ .
have
his parents
So
2. —John can't speak Japanese.
— _________ ____ _____ .
Neither/nor
can
Helen
（主语不一致时，表示前者所述的事实，后者也是如此)
约翰不会讲日语。
海伦也不会。
麦克读过这本关于科学博物馆的书。
他的父母也读过。
（his parents）
（Helen）
—The paper is very difficult. Tony has made so many mistakes.
— ___ ____ ____ .
So
he
has
(主语一致时，意为“确实如此”，起强调作用)
—He doesn’t like documentaries.
— ________ _____ _____.
Neither/nor
does
he
这份试卷很难，托尼犯了这么多错误。
他确实如此。
他不喜欢纪录片。 他确实如此。
（he）
（he）
倒装句考点二
1.— Kunming is really a comfortable city to live in.
—_________. The weather is pleasant.
A. So it is B. So is it
C. So it does D. So does it
2.—He hasn’t seen that interesting film before.
— _______.
A.So have I B. Neither have I
C. Nor do I D. So do I
3— I’m not going swimming tomorrow afternoon.
— ________. I have to clean up my bedroom.
A. So am I B. Neither am I
C. Neither I am D. So I am
—Lily and I will go to the old people's home this weekend.
—_________.Can I join you
A. So will I B. So I will C. So do I
5—I don’t understand the story in the new unit. What about you, Bob
—_______.
A. Neither I do B. Neither do I C. So do I
6. —They go to school early in the morning.
— _______.
A. So do Tom. B. So Tom do.
C. So does Tom. D. So Tom does.