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(共16张PPT)
Unit3
Could you please clean your room？
Section A Grammar Focus-4c
Aims
01
Review phrases about housework.
02
Summarize the usage of the modal verb 'could'.
03
To finish some exercise.
Group work
The room is in a mess.
I want to ask my brother to clean it up.
What should I say to him
Presentation
Read the following sentences and observe the questions.
Ask for permission.
Make polite requests.
Presentation
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。它本身不能做谓语，只能和动词原形一起构成谓语。
1. 用于委婉地请求别人做某事（提出请求）
常用句型 Could you ( please ) do sth.
肯定答语 OK./Certainly./Of course./With pleasure./
No problem./Yes, sure.等
否定答语 Sorry, I can’t. I have to…/I’m afraid not./ I’m afraid I can’t. I am going to…等
Presentation
2. 用于委婉地请求别人允许自己做某事（征求许可）
常用句型 Could I do sth.
肯定答语 Yes, you can./Certainly./Yes, please.等
否定答语 Sorry, you can’t./I’m afraid you can’t.等
Exercise
could 的其他用法
① 在五岁时，他可以游泳
eg: He could swim at the age of five.
② 这可能是莉莉的书因为她喜欢读书
eg: This book could be Lily's，because she likes reading books.
③ 如果他不想交谈，你可以写信。
eg: If he doesn't want to talk, you could write a letter.
表过去“能力”
表“猜测”
表“建议”
Exercise
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
fold
help
do
Could
please
could
could
Group work
Make a list of things your group needs to do for a camping trip.
Then discuss who will do them and complete the chart.
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
Practice
Choose the best answers.
1. — Could you please turn off the light —______.
A. Yes, I could B. It doesn’t matter C. Yes, sure D. Yes,you can
2. There are some books in the box. Could you please _______
A. take it out B. take them out C. taking out them D.take out it
3.Could you ________ten yuan to me I'll give it back next back.
A.borrow B.give C.lend D help
4.—Mom, could I go out with my friends
—_________, but you have to come back before 10:00.
A. Sorry, you can’t B. Yes, you can C. No way D. Yes, I can
5.— Hi,Jack! Could you come to our English party
— Sorry, I _______. I have to look after my little sister at home.
A. must B. could C. can't D. mustn't
Practice
Fill in the blanks with the appropriate form of the given word.
6.Could you please ________(make) your bed
7.Mary often helps her mother ________(do) the dishes at home.
8.She needs_____________(clean) the classroom today.
9.We go to the school library_____________(borrow) some books.
10.I can go to the movies with you after I finish________ (do) chores.
make
do
to clean
to borrow
doing
Presentation
Read the following sentences and observe the questions.
Ask for permission.
Make polite requests.
Presentation
2. 用于委婉地请求别人允许自己做某事（征求许可）
常用句型 Could I do sth.
肯定答语 Yes, you can./Certainly./Yes, please.等
否定答语 Sorry, you can’t./I’m afraid you can’t.等
Practice
Choose the best answers.
1. — Could you please turn off the light —______.
A. Yes, I could B. It doesn’t matter C. Yes, sure D. Yes,you can
2. There are some books in the box. Could you please _______
A. take it out B. take them out C. taking out them D.take out it
3.Could you ________ten yuan to me I'll give it back next back.
A.borrow B.give C.lend D help
4.—Mom, could I go out with my friends
—_________, but you have to come back before 10:00.
A. Sorry, you can’t B. Yes, you can C. No way D. Yes, I can
5.— Hi,Jack! Could you come to our English party
— Sorry, I _______. I have to look after my little sister at home.
A. must B. could C. can't D. mustn't
Homework
1.Preview the new words and expressions.
2. Finish the exercise on the student’s book.
Thanks

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