资源简介

(共31张PPT)
Unit 2
Home Sweet Home
Section A （Grammar focus）
Learning objectives
Free talk
What might you say in the situations(情况） shown in the pictures
What are they doing
Free talk
What might you say in the situations(情况） shown in the pictures
What are they doing
Yes or No！
Can you to help me clean the room？
Could I has a glass of water？
Could you please to pass the salt
Can he able to drive a car




Read the questions with can or could. Notice how they are answered.
Grammar Focus
Could you please sweep the floor Yes, Dad. I’ll do it at once.
Could I hang out with my friends after lunch Sorry, Jim, but you have to pack up your
things first.
Can I put some flowers on the table Yes, good idea!
Can you help me hang up the photos Sure. / No problem!
情态动词can和could
Grammar Focus
定义：情态动词can和could可用于向对方提出请求或请求对方的许可，用于疑问句中，could要比can语气委婉、有礼貌。其答语没有固定的形式，但要符合上下文的语境。
情态动词can和could
Grammar Focus
1）表示委婉地请求别人做某事。
常用句型 Can/Could you (please) do sth.
肯定答语 Yes, sure./Yes, I can./Of course, I can./No problem./With pleasure.
否定答语 可先拒绝，在说明理由：Sorry,I can’t. I have to .../Sorry, I’m going to.../I’m afraid I can’t. I have to...
情态动词can和could
Grammar Focus
1）表示委婉地请求别人做某事。
—Can you make your bed 你能整理一下你的床铺吗？
—Yes , sure. 好的，当然可以。
—Could you please water the flowers 请你浇花好吗？
—Sorry , I can’t. I’m going to do my homework.
抱歉，我不能。我要做我的家庭作业。
情态动词can和could
Grammar Focus
2）表示委婉地请求别人允许自己做某事。
常用句型 Can/Could I do sth.
肯定答语 Yes, you can./Yes，please.等
否定答语 Sorry, you can’t. You have to .../I’m afraid you can’t. You have to...（说明理由）等
情态动词can和could
Grammar Focus
2）表示委婉地请求别人允许自己做某事。
—Can I sit here 我可以坐这里吗？
—Yes , you can. 是的，你可以。
—Could I borrow your bike 我可以借用你的自行车吗？
—Sorry , you can’t. I’m going to ride it to work.
抱歉，你不能。我要骑它去上班。
情态动词can和could
Grammar Focus
3）“Could you please do sth. ”的否定形式
其否定形式为“Could you please not do sth. ”表示委婉地批评地方，意为“请不要做某事好吗？”
—Could you please not put your bike here
请不要把你的自行车放在这里好吗？
—Sorry , I’ll take it away at once.
抱歉，我马上把它推走。
情态动词can和could
Grammar Focus
3）“Could you please do sth. ”的否定形式
注意：
①“Could you please do sth. ”和“Could I do sth. ”这两个句型的答语中一般都避免使用could。
②句中please还可放在句尾，其前用逗号和前面内容隔开。
情态动词can和could
Grammar Focus
【拓展】
①can和could可表示能力，意为“会，能”，其否定形式分别为can’t和couldn’t，意为“不能，不会”。
e.g. I can sing English songs.我会唱英文歌曲。
—Can you speak English 你会讲英语吗？
—No, I can’t.不，我不会。
情态动词can和could
Grammar Focus
【拓展】
②can和could可表示建议，意为“可以”
e.g. We can eat in a restaurant if you like.
如果你愿意的话，我们可以去餐馆吃饭。
You could write a letter to the head teacher.
你可以给校长写封信。
情态动词can和could
Grammar Focus
【拓展】
③can和could可表示推测，can常用于否定句中，can’t表示“不可能”；而could常表示把握性不大的推测，表示“可能”。。
e.g. It can’t be ture. 这不可能是真的。
You could be right.你可能是对的。
Exercises
(2023湖北鄂州中考）
— I take photos here
—Sorry, you can’t. It’s not allowed in the museum.
A. Must B.Need C.Can D.Will
C
Exercises
解析
我们可用“固定句式法”解答此题。
由答语前句句意“对不起，你不可以”可知，上文疑问句表达请求许可，应用“Could I do sth. ”故选Can。句意：“我可以在这里拍照吗？”“对不起，你不可以。博物馆里不允许拍照。”答案是C。
Exercises
(2024黑龙江龙东中考）
—Could you please sweep the floor, Daming
— I’m busy cooking.
A. Yes, sure. B. Sorry, I can’t. C. Yes, please.
B
Exercises
解析
我们可用“联系上下文法”解答此题。
Yes, sure.是的，当然； Sorry, I can’t. 抱歉，我不能；Yes, please.是的，请。根据后句“我正忙着做饭”可知，此处应对上文的请求“大明，请你扫一下地好吗？”表示拒绝。答案是B。
Then write R for requests or P for permission next to each question.
Grammar Focus
Could you please sweep the floor Yes, Dad. I’ll do it at once.
Could I hang out with my friends after lunch Sorry, Jim, but you have to pack up your
things first.
Can I put some flowers on the table Yes, good idea!
Can you help me hang up the photos Sure. / No problem!
R
P
R
P
Choose the best question to complete each conversation.
A. Could you give me a ride to town now B. Can I stay out until eleven
C. Mr Lake, could I go to the toilet D. Could I use your computer
A: ______________________________
B: Of course you can.
A: ______________________________
B: Yes, if you are careful with it.
A: ______________________________
B: No, you can’t. You have a basketball game tomorrow, remember You need a
good rest.
A: Can I go to the movies
B: Of course.
A: ______________________________
B: I can’t. I have to do some work now.
C. Mr Lake, could I go to the toilet
D. Could I use your computer
B. Can I stay out until eleven
A. Could you give me a ride to town now
/ n t l/ prep. 到……时；直到……为止
注意；当心
movie
/ mu vi/ n. 电影
the movies 电影院；电影产业
3b
1. You’re at your friend’s home. You want to call your parents, but your phone is dead.
_______________________________________________________________
2. You were sick at home yesterday. Your friend went to an English class and took notes. You want to know more about the class.
____________________________________________________________________ ___
Make up conversations for each setting, using can or could.
A: Can / Could I use your phone B: Sure. / Of course.
A: Can / Could I borrow your notes
B: Of course. Here are my notes.
/ded/ adj. 不运行的；死的
note /n t/ n. 笔记；记录；便条
v. 注意；指出
take notes 做笔记
3c
3. You are holding a large box. It is difficult to open the door. Your neighbour comes.
_______________________________________________________________
4. You and your classmates want to help clean up the community. Ask your classmates to bring gloves and rubbish bags.
_______________________________________________________________________
_______________________________________________________________________
Make up conversations for each setting, using can or could.
A: Can / Could you help me open the door B: Sure. / Of course.
A: Can / Could you bring gloves and rubbish bags for cleaning up the community
B: Sure. / Of course.
清扫
/k mju n ti/ n. 社区；社团
rubbish / r b / n. 垃圾
3c
Exercises
—Could you please take out the rubbish
—______
A. Thank you! B. You’re welcome!
C. No problem. D. That sounds good!
— ________ we bring our phones to class
—No, we can’t. We must keep them in our lockers.
A. Must B. May C. Can D. Will
Exercises
—Mum, can I talk to you about my job offer, please
—______. I’d like to do that.
A. Sure B. I see
C. Sorry, I’m afraid not. D. Never mind
— ________ I join the volunteer program on weekends
—Of course you can.
A. Could B. Must C. Should D. Would
Exercises
—Ruby, could you please help me with these problems
—______. I’m coming.
A. I don’t think so B. I hope so
C. With pleasure D. Sorry, I can’t
(2023 福建中考）—It’s such a long way!
—Don’t worry. You ________ share a ride with me.
A. must B. can C. should D. Would
Exercises
1. A：你能帮我拿一下书架上的书吗？ B：当然可以。
A: Could you get the book on the bookshelf for me B: Sure.
2. A：我可以借用你的词典吗？B：可以，但是请明天还给我。
A: Can I borrow your dictionary
B: Yes, but please return it to me tomorrow.
3. A：你能告诉我去图书馆的路吗？
B：沿着这条街走，在第二个十字路口右转。
A: Could you tell me the way to the library
B: Go along this street and turn right at the second crossing.
Summary
1）表示委婉地请求别人做某事
2）表示委婉地请求别人允许自己做某事
3）“Could you please do sth. ”的否定形式
情态动词can和could
Homework
认真抄写 3a 中的例句，并准确标注每个句子是属于请求（R）还是许可（P）；
运用 can 和 could 分别写出 5 个表示请求和 5 个表示许可的句子。
Thank you！

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