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(共29张PPT)
2. Whose birthday is it
Unit 2
Home Sweet Home
人教版 英语（八年级上册）
Section A
Grammar Focus
2. Whose birthday is it
学习目标
01
02
03
能够识别 can、could 在请求和许可语境中的语义差异，清晰区分不同情境下的用法。（学习理解）
通过 3a - 3c 练习及拓展活动，提升学生在不同生活场景中运用 can / could 进行听、说、读、写的能力，实现语法知识向语言技能的转化，能够流畅开展日常请求与许可交流。（应用实践）
借助生活场景对话创作与交流，让学生感受英语在实际沟通中的价值，增强用英语解决生活问题的信心，理解不同语气背后的文化礼仪，培养跨文化交流意识。（迁移创新）
2. Whose birthday is it
01 情景导入
Scenario import
I want to drink some water, Mr. Brown.
Can / Could I drink some water, Mr. Brown
Which one do you think is more polite
Let’s think
2. Whose birthday is it
02 学习理解
Learning to understand
I want to drink some water, Mr. Brown.
Can / Could I drink some water, Mr. Brown
Let’s think and talk.
less polite
more polite
Can I hang out with my friends after lunch
Can I grow some flowers there
Can I invite my friends to our new house
Could I go out
Could we keep some fish here
Can you sort your things into those boxes
Can you take care of them every day
Could you please help me hang up the photos
Could you please sweep the floor
情态动词 can / could
can /
could
请求许可
提出请求
请求许可
提出请求
3a
Read the questions with can or could . Notice how they are answered.
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
Write R for requests or P for permission next to each question.
P
P
R
3a
Read the questions with can or could . Notice how they are answered.
Make polite requests
常用句型 Can / 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
3a
Read the questions with can or could . Notice how they are answered.
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
Write R for requests or P for permission next to each question.
P
P
R
3a
Read the questions with can or could . Notice how they are answered.
Ask for permission
常用句型 Can / 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
Can/Could for polite request and permission.
表达 场景示例（请求→许可） 核心逻辑
“Sure.” “Can you help me ” → “Sure.”
“May I use your phone ” → “Sure.” 口语化万能同意，简洁直接
“Of course.” “Will you pass the salt ” → “Of course.”
“Can I borrow your book ” → “Of course.” 礼貌且正式的肯定回应
“No problem.” “Could you pick up the package ” → “No problem.”
“May I leave early today ” → “No problem.” 强调 “无阻碍” 的积极态度
“Alright.” “Can you call me later ” → “Alright.”
“May I join your group ” → “Alright.” 中性偏口语的同意
“Go ahead.” “Can you start the meeting ” → “Go ahead.”
“May I start eating ” → “Go ahead.” 示意 “可以行动” 的许可
以下是既能回应请求（Request） 又能回应许可（Permission） 的通用同意表达。
Can/Could for polite request and permission.
以下是既能回应请求（Request） 又能回应许可（Permission） 的通用拒绝表达。
表达 场景示例（请求→许可） 核心逻辑
“I’m sorry, I can’t.” “Can you drive me home ” → “I’m sorry, I can’t.”
“May I use your car ” → “I’m sorry, you can’t.” 道歉 + 直接拒绝，请求用 “我不能”，许可用 “你不能”
“Not possible.” “Could you finish it today ” → “Not possible.”
“May I enter the lab ” → “Not possible.” 简洁强调 “不可行”
“I’m afraid not.” “Can you attend the party ” → “I’m afraid not.”
“May I bring a friend ” → “I’m afraid not.” 委婉软化拒绝语气
“Not right now.” “Can you help me now ” → “Not right now.”
“May I use the computer ” → “Not right now.” 暂时拒绝，保留可能性
Could I hang out with my friends tonight
No, you couldn’t.
Sorry, you can’t.


Choose the answer.
在回答用could 提出的请求时，通常不用 could而用 can。
2. Whose birthday is it
03 应用实践
Application Practice
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
1. A: _____________________________________
B: Of course you can.
2. A: _____________________________________
B: Yes, if you are careful with it.
give sb. a ride 送某人一程;让某人搭便车
stay out 呆在外面
go to the toilet 上厕所;上洗手间
C
be careful with 注意;当心
/ n't l/ prep.
到...时;直到...为止
D
be careful with 注意;当心
同义短语：be careful of/about 当心;留意
3b
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
3. A: _____________________________________
B: No, you can’t. You have a basketball game
tomorrow, remember You need a good rest.
B
have a basketball game
有一场篮球赛
need a good rest 需要好好休息
（have a rest 休息一下）
Choose the best question to complete each conversation.
3b
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
4. A: Can I go to the movies
B: Of course.
A: ___________________________________
B: I can’t. I have to do some work now.
/'mu vi/ n. 电影
go to the movies 去看电影
A
have to 不得不
do some work 干活
of course 当然，
相当于sure或certainly，
通常在对话中用作肯定回答。
Choose the best question to complete each conversation.
3b
Make up conversations for each setting, using can or could.
1. You are at your friend’s home. You want to call
your parents, but your phone is dead.
A: Can/Could I use your phone
B: Sure./Of course.
/ded/ adj.
不运行的; 死的
3c
Make up conversations for each setting, using can or could.
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.
_________________________________________
___________________________________________
A: Can/Could you tell me something about
yesterday’s English class
B: Sure. / Of course.
take notes 做笔记
note /n t/ n. 笔记;便条 v. 注意
know about 知道; 了解
3c
Make up conversations for each setting, using can or could.
3. You are holding a large box. It is difficult to open
the door. Your neighbour comes.
_______________________________________________
_______________________________________________
A: Can/Could you help me open the door
B: Sure. / Of course.
It’s + adj.+ to do sth. 做某事是……的
it是形式主语，真正的主语是后面的动词不定式短语。
It is difficult to open the door. 难以开门
hold a large box 抱着一个大箱子
3c
Make up conversations for each setting, using can or could.
4. You and your classmates want to help clean up the
community. Ask your classmates to bring gloves
and rubbish bags.
_______________________________________________
_______________________________________________
A: Can/Could you bring gloves and rubbish bage
to clean up the community
B: Sure. / Of course. / No problem.
clean up 清扫
/k 'mju n ti/ n. 社区;社团
/'r b / n. 垃圾
rubbish bag 垃圾袋
rubbish bin 垃圾桶
take out the rubbish 倒垃圾
3c
2. Whose birthday is it
04 迁移创新
Migration Innovation
What do you say in these situations
Can/Could you please pass me the salt
Can/Could I have these postcards
Can/Could you please turn off the radio
Can/Could I borrow your newspaper
Can/Could I use your pen
2. Whose birthday is it
05 课堂小测
Exercise
1. Poor Jim! His phone went ______ (die) in the middle of an important meeting!
2. I like to take ________ (note) when I am reading books.
3. There are many ____________ (community) in the city.
4. Can he _____ (run) as fast as Bob
5. The bowls are expensive, please be ________ (care) with them.
6. My pet dog’s ________ (dead) made me sad.
7. I would like ________ (invite) my classmates to my party.
8.一Can you go to the _______ (movie) with me tomorrow
—Sorry, I can’t. I have to study for a test.
一、语法填空。
dead
notes
communities
run
careful
death
to invite
movies
二、按要求完成下列句子(每空一词)。
1. He can fix the bike hIMself. (改为一般疑问句)
________ she ________ the bike himself
2. —NiLe, could you lend me your dictionary (作肯定回答)
—________ ________. Here you are.
3. —Excuse me, could I open the door (作肯定回答)
—Yes, ________ ________.
4. She could solve the problem. (对画线部分提问)
________ ________ he ________
5. Lily was able to ride a bike at four. (改为同义句)
Lily ________ ________ a bike at four.
Yes sure
you can
/of course
What could s do
could ride
Can fix
Homework
1. Memorize the new words and phrases.
2. Make sentences using the sentence patterns we have learned today .
3. Finish the exercises.
2. Whose birthday is it
Thanks
for watching!

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