资源简介

(共40张PPT)
Unit 2 Home Sweet Home
Section A
Grammar Focus-3c
Let’s watch a video, and think about two questions. Who does chores in this family
What chores do they do
Let’s watch a video.
1. Who does chores in this family
2. What chores do they do
Everyone in this family does chores.
She washes the clothes.
She folds the clothes.
Let’s think
2. What chores do they do
He cleans the floor.
He takes out the rubbish.
Let’s think
2. What chores do they do
She feeds the dog.
He puts away things.
Let’s think
What do you think of this family
This is a happy family .
They understand and love each other .
They must be get along well with each other.
They must have a clean and tidy home.
Let’s think
To have a happy family, we should do what we can do for the family. Besides, we should use the polite language. How do we use the polite language Let’s start to learn it.
Let’s think
Grammar Focus
Could you please sweep the floor OK, Mum. 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!
Your room is in a mess. Your mom wants you to keep it cleaned tidy. What do you want mom to say
Clean your room!
Can you clean your room
Could you please clean your room
Could you please not put everything on the floor
can和could均可用来提出要求，但could要较为委婉、客气。 Could you please... 是一个礼貌、委婉地提出要求的句式，其后只要添加所要求内容即可，please后接动词原形。
Could you please do the dishes
Sure, that should be OK.
Could you please wash the clothes
Sorry,I can't. I have to study for the exam.
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。
用于疑问句中，可代替can，在时间上与can没有区别，但语气要比can委婉、有礼貌。
Read and compare
Presentation
1. 委婉地请求别人做某事（提出请求）
(1)句型：Could you do… / Could you please do…
你能……吗 / 请问你能……吗
(2)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.
2
用于请求、许可
Make polite requests
情态动词could的用法
“Could I... ”意为“我能……吗？”，
用于请求对方允许自己做某事。
Yes, you can. / Of course you can. /Yes, please.
Sorry, you can't.
I'm afraid you can't.
No, you mustn’t.
否定回答:
肯定回答:
A
B
C
Look and learn
Asking people to do things(请求别人做某事)
常用句型 Could you (please) do sth.
肯定回答 Yes, sure./Of course./No problem./With pleasure…
否定回答 Sorry, I have to…/I am afraid I can’t. I have to…/OK, but I…first.
Asking for permission(请求别人允许自己做某事)
常用句型 Could I do sth.
肯定回答 Sure./Yes, you can./Yes, please.
否定回答 Sorry, you can’t. /I am afraid you can’t.
could
could
could
make requests
ask for permission
give
advice
A: Could you please do the laundry
B: Yes, sure.
A: Could I/we use your computer
B: Sorry. I’m working on it.
A: My sons have headaches.
B: They could see a doctor.
The summary of “could”
could
mean the
past of can
She could read by herself at the age of four.
ability
Could she speak English when you were in America
Hey, Madam, could I try on those shoes
She studied hard but still couldn’t pass the exam.
Could you give me a suggestion about learning English
A: What can we do at the old people’s home
B: We could volunteer at the old people’s home to cheer them up.
What does “could” mean in each sentence
Ability
ask for
permission
Ability
make request
Advice
tips
表示请求允许
could和can都可以，
但could语气更委婉。
对别人的请求许可的回答，
一般只用can，而不用could.
—Could I use your book
—Of course you can.
重点探究
Quick response.
Make polite requests礼貌请求
Could you please…
Yes, sure. / Of course./No problem...
Sorry, I can’t/I'm afraid not. I have to .../ I need to .../I am doing.../I am going to...
Choose and make up new sentences.
Ask for permission请求许可
Yes, you can./...
Mom, could I…
No, you can't.Youu...
C
D
B
A
Of course you can. Let me
show you the way.
3b. Choose the best question to complete each conversation.
3c. 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.
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.
_________________________________________________________________
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.
_________________________________________________________________
A: Can / Could you tell me something about the English class you went to yesterday
B: Sure. / Of course.
A: Can / Could you help me open the door
B: Sure. / Of course.
A: Can / Could you bring gloves and rubbish bags when we help clean up the community
B: Sure. / Of course.
Free Talk
You are having a school trip next weekend . Please in groups discuss how to prepare it . You can use “Could /Can you (please)... ” making requests and “Can/Could I…” asking for permission.
Summary
情态动词
could
could表示过去的能力，表现在的能力can
Could you please... 能请你……吗？
Could I... 我能……吗？
用于提出要求或请求
用于请求
许可
表示能力
could 比can语气更委婉，回答时用can/can't。
Can I stay out until eleven 我可以在外面待到11点吗？
Language points
“until”主要有两种词性：介词和连词，具体用法如下：
1.作介词,表示“直到……为止”，后面接名词、代词或名词短语。
eg: He didn't leave until midnight.
直到午夜他才离开。
2.作连词
（1）含义：表示主句的动作或状态一直持续到从句动作发生或时间到来时为止。从句中一般要用一般现在时表示将来（主将从现）。
eg: I'll wait until you come back.我会一直等到你回来。
（2）not ...until... 直到……才……
eg: She didn't leave until her mother came back.
直到她妈妈回来她才离开。
【对点训练】
1.(2023·宁波)Don't trouble trouble _______ (直到) trouble troubles you.
2.It stopped raining yesterday. Then I went home. (用until改写句子)
I ________ go home ________ it stopped raining yesterday.
until
didn’t until
Yes, if you are careful with it.可以，如果你小心使用它的话。
careful adj.仔细的；小心的；谨慎的
eg: Be careful when you cross the road.过马路时要小心。
【常用短语】
be careful with 对……小心；对……仔细
eg: Be careful with the glasses. They are fragile.
小心这些玻璃杯。它们很易碎。
【careful的词汇拓展】
v. & n. 关心；在意；照顾；喜欢 _______________
adv. 仔细地；小心地；谨慎地 _______________
adv. 粗心地；漫不经心地；草率地_______________
n. 仔细；谨慎；慎重 _______________
n. 粗心；疏忽；草率 _______________
care
carefully
carelessly
carefulness
carelessness
【对点训练】
1.The girl works hard and she does everything ________ (careful).
2.Please don’t be so ________ (care) next time. You should learn to care for yourself.
3.The driver regretted his _____________ (care) in driving and went to the hospital to say sorry to his passengers.
4.小心你手里的玻璃杯,因为刚才你差点让它掉下来。
________ ________ ________the glass in your hand as you were so close to dropping it just now.
carefully
careless
carelessness
Be careful with
You want to call your parents, but your phone is dead.
你想给父母打电话，但你的手机没电了。
【dead (adj.) 的用法】
①死的；失去生命的
eg: The dead bird was lying on the ground.那只死鸟躺在地上。
②无生命的；枯萎的，用于形容植物或物体等没有生机的状态。
eg: The dead leaves on the ground were a sign that autumn had arrived.
地上枯萎的叶子是秋天到来的标志。
③不运行的
eg: The old clock on the wall is dead. It stopped working years ago.
墙上的那座旧钟停了，它几年前就不运行了。
【词汇拓展】
n. 死；死亡；毁灭；死因 ________
v.死；死亡；凋谢；消失 _________
death
die
【对点训练】
1.He fell asleep at last when the wind was ________(die)down.
2.The poor little dog was badly ill and ________ (die) days later.
3.When I walked in the fields, I saw a ________ (die) bird there.
4.The World Health Organization (WHO) has listed the top 10 causes of ________ (die) across the globe.
dying
died
dead
death
1.—Jack, could you please help me take out the trash
—Sorry, ________, mum. I ________ my homework now.
A．couldn’t, am doing B．can’t, am doing
C．can’t, do D. can’t, did
2.—Jim, could I use your computer
—Yes, of course you ________.
A．could B．can C．must D．should
Exercises
一、单项选择
B
B
3.—Jason, could I use your dictionary I left mine at home. —________. Here you are.
A．Of course B．It doesn’t matter
C．Sounds great D . It’s my pleasure.
4.—Could I go out for dinner with my friends, mum
—________ You have so much homework to do.
A．Yes, sure. B．Sorry, you can’t.
C．Why not D．No, you couldn’t.
5. Could you please __________ pictures on the wall —Sorry , I won’t.
A. not to draw B. not draw C. don’t draw D. not drawing
A
B
B
1.任何时候都要小心火。 玩火是非常危险的。
______ ______ ______ fire at any time. It is very dangerous to play with fire.
2.请在课堂上记笔记，但你不必把每件事都写下来。
Please take ________ _______ in class, but you don’t have to write everything down.
二、完成句子
Be careful with
take notes
3.他直到失去了挚爱才意识到爱的重要。
He realize the importance of love he lost his loved one.
4.我可以借用一下你的手机吗？我的没电了。
Could I use your phone Mine ______ ______.
5.—林涛，你能帮我把这些照片挂起来吗？ —没问题！
—Lin Tao , can you help me ____ _____the photos —No problem!
didn’t until
is dead
hang up
必做：
1. Recite the sentences and grammar knowledge in Grammar Focus.
2. Preview the reading material in 1b.
选做：
Make a three-minute video about asking for help with a friend.
Homework

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