资源简介

(共37张PPT)
人教版八年级上册
SectionA
Grammar focus
Unit2 Home Sweet Home
Learning objectives
1.通过语法表格，引导学生进一步掌握表示提出请求与请求许可方面的句型；同时了解can/could情态动词其他方面的用法。
2.通过练习及拓展活动，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。
3.通过做家务的情境，初步表达对做家务的喜好，从跨文化视角去观察和认识西方文化，引导与培养学生如何有礼貌地提出请求与得到相应的答复。
Where are they
What are they doing
Warming-up
They are doing chores at their new house.
Let's complete their conversations.
Bob, could you please _________________
I have to _____________ first.
hang up the photos
sweep the floor
No problem!
Mom, can I _____________ here
keep some fish
Sure! Can you _______________ every day
take care of them
Yes! I can __________every day!
feed the fish
Jim, could you please _______________
I have to ____________. And mum has to _____________.
clean the window
make the bed
fold the clothes
No problem, dad!
Sorry, Jim. You have to __________________________ first.
pack up your things into the box
Mum, can I hang out with my friends
Dad, could you please help me
Sorry, Jim. I have to_______ _____________________.
sort the
books into the bookshelf
After that, can I go out
Ok! Remember to ______________________________.
write “Jim’s things” on the box
Lily, could you please ______________ I have to ________________.
wash the clothes
clean the bathroom
Ok! Jim, could you
please _____________.
clean the mirror
Sure!
Dad, our balcony is so big and gets a lot of sunshine. Can I _____
____________ there
grow
some flowers
Sure! _____________cut the branches and leaves and _______________ every day.
water the flowers
Yes, I can!
Could you please
Jim, could you please ______________.
I have to ___________.
Your dad ________take out the rubbish.
wash the dishes
make meals
Ok, mum!
has to
Jim, could you please ________________. We have to ______________________.
take out the rubbish
clear the table after meals
Ok, dad!
总结
Make polite requests.（礼貌地请求）
Can you help me hang up the photos
Could you please sweep the floor
用于请求别人做某事
Ask for permission.
请求允许
Can I keep some fish here
Could I hang out with my friends after lunch
用于请求别人允许自己做某事
1.情态动词 can 和 could
“能够， 可能”
2. could是can的过去式，比can更委婉;
3. 不能作谓语,
没有人称和数的变化，
后加动词原形.
委婉请求别人做某事(make requests)
Could you please put your toys in the box
肯定句：Could you (please) +动词原形 意为 “能请你…吗？”
Could you please not put everything on the floor
否定句：Could you (please) not+动词原形 意为 “能请你(不)…吗？”
Make polite requests.（礼貌地请求）
肯定回答 Yes, sure/of course. 好的，当然可以。
No problem. 没问题。
With pleasure. 乐意帮忙。
Sure/Of course/Certainly. 当然可以。
否定回答 Sorry, I can't. I have to...
对不起，我不能。我得...
Sorry, I'm going to... 对不起，我将...
I'm afraid I can't. I have to...
恐怕不行。我得...
I'm afraid not. 恐怕不行。
常用答语有：
委婉请求别人允许自己做某事
(ask for permission)
Could I watch TV
Can we go out to have dinner
肯定回答：
Yes, you can.
Yes, please.
Sure, you can.
回答要用can，不能用could哦
否定回答：
No, you can’t.
Sorry, you can’t.
I’m afraid you can’t.
回答要用can，不能用could哦
Ask for permission.
请求允许
注意:
1.对别人的请求许可的回答，一般只用can，而不用could.
—Could I use your rule —Of course you can.
2.表示请求允许,could和can都可以，但could表示有礼貌的请求，语气更委婉，常用于非熟人之间或晚辈对长辈、下级对上级的场合。 can表示一般性的请求，语气随便，常用于熟人之间或长辈对晚辈、上级对下级的场合；
could/can
的用法汇总
委婉请求别人允许自己做某事(ask for permission)
委婉请求别人做某事(make requests)
could/can还有什么用法呢？
could是can 的过去式，表能力。
He couldn’t speak English 3 years ago.
I could swim when I was 8 years old.
could表示推测，可用于肯定句，也可用于否定句。
The train could be late because of the bad weather.
She could not come to the party because she has a cold .
We can eat in a restaurant this evening. 今晚我们可以在餐馆吃饭。
用 can 提出直接建议（常用于口语，语气较随意）
Maybe I could give you a lift to the supermarket.
也许我可以让你搭我的车去超市。
You could try reading the instructions before starting.
你可以试着在开始前先读一下说明书。
用 could 提出委婉建议（语气更礼貌、含蓄，适合正式或陌生场景）
5.提出建议：对平级或晚辈可用 can，快速给出建议；
对上级、长辈或需要体现礼貌时用 could，避免显得生硬。
常见表示委婉请求的句型汇总
① Could you please + do sth.
② Could you + do sth.
③ Would you please + do sth.
④ Would you + do sth.
⑤ Would you mind + doing sth. 你介意……吗？
⑥ Would you like + to do sth. 你愿意...吗
⑦ What about doing sth. ......怎么样？
拓展：
常见表示请求允许的句型：
① May I + do sth.
② Can I + do sth.
③ Could I + do sth.
④ Might I + do sth.
⑤ Do you mind if I + do sth.
表示给予允许,只能用can/may, 不能用 could 或 might。e.g.
A: Could I use your pen
B: Yes, of course you can. (不用 Yes, you could)
中考链接
15. --- Jimmy, could you please help me in the garden (辽宁-辽阳)
---__________. Mom. I’m coming.
A. Sure B. I’m sorry C. Go ahead D. That’s right
32. ---Mum, it’s too hot. _____ I swim in the lake (山东-滨州)
---No, you _______. That’s too dangerous!
A. Should; can’t B. Need; mustn’t C. Must; needn’t D. Could; mustn’t
中考链接
35. ---Could you please help me wash the car, Tony (四川-眉山)
--- ________. I’m studying for my coming English test now.
A. That’s right B. I’m sorry
C. It doesn’t matter D. Not at all
31. —Gina, could you please play the drums on the art festival (云南-昆明)
—_____. I can only play the guitar.
A. I’m afraid I can’t. B. Yes, I can. C. Sure, I’d love to.
中考链接
35. David, ________ you please sweep the floor and take out the trash
(新疆)
A. could B. may C. might D. must
20. —Could you tell me how to pay for the food by QR code on the phone
—_____.(甘肃-天水)
A. Take it easy B. It doesn’t matter
C. With pleasure D. You’re welcome
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!
R
R
P
P
at once = right away/now 立刻,马上
on the table 在桌上
3a
Read the questions with can or could. Notice how they are answered. Then write R for requests or P for permission next to each question.
A. Could you give me a ride to town now B. Can I stay out until eleven
C. Mr Lake, can I use your toilet D. Could I use your computer
1. A: _____________________________________
B: Of course you can. Let me show you the way.
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
use your toilet 用你的厕所
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
show sb. the way 给某人带路;给某人指路
3b
Choose the best question to complete each conversation.
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
4. A: Can I go to the movies
B: Of course.
A: ___________________________________
B: I can’t. I have to do some work now.
A
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。
need a good rest 需要好好休息
（have a rest 休息一下）
You’re at your friend’s home. You want to call your parents, but your phone is dead.
_________________________
_________________
Sure. /
Of course.
Can / Could I use your phone
3c
Make up conversations for each setting, using can or could.
/ded/ adj.
不运行的; 死的
Let's learn and take notes.
dead adj.不运行的；死的
词
讲
拓
My phone went dead, so I need to charge it.
我的手机没电了,所以我需要给它充电。
There were dead leaves on the ground after the strong wind.
大风过后枯叶落了一地。
I'm afraid he is dead. 恐怕他已经去世了。
例
注意：表示“死了多长时间”要用“have/has been dead for+时间段”或“died+时间段+ago”。
The poor man has been dead for ten years. 那个可怜的人已经去世十年了。
He died a week ago. 他一个星期前就去世了。
(1)【形容词】（因为缺电）不运行的
(2) 【形容词】死的 在句中作定语或表语。the dead 死者
dead adj.不运行的；死的
词
讲
练
His dog ________ last week and his ________ made him very sad.
A. died; die B. death; died C. died; death D. dead; death
与 dead 相关的其他单词：
die 【不及物动词】死亡 过去式：died, 现在分词：dying。
是短暂性动词，不能与时间段连用。die of/from“死于”
death 【名词】死亡
dying 【形容词】垂死的；临死的 只能作前置定语。
C
Let's learn and take notes.
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.
_________________________
_________________
Sure. /
Of course.
Can / Could I borrow your notebook
3c
Make up conversations for each setting, using can or could.
take notes 做笔记
note /n t/ n. 笔记;便条 v. 注意
know about 知道; 了解
3. You are holding a large box. It is difficult to open the door. Your neighbour comes.
_________________________
_________________
Sure. /
Of course.
Can / Could you help me open the door
3c
Make up conversations for each setting, using can or could.
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。
hold a large box 抱着一个大箱子
4. You and your classmates want to help clean up the community. Ask your classmates to bring gloves and rubbish bags.
________________________________________________
_________________
Sure. /
Of course.
Can / Could you bring gloves and rubbish bags
3c
Make up conversations for each setting, using can or could.
/k 'mju n ti/ n. 社区;社团
rubbish bag 垃圾袋
rubbish bin 垃圾桶
take out the rubbish 倒垃圾
clean up 清扫
一、根据汉语提示，补全句子。
1. 切洋葱时，请当心你的眼睛。
When you cut up the onions, please _______ _________ _______
your eyes.
2. 我们在课堂上应该认真记笔记。
We should ________ ________ carefully in class.
3. 你的书包乱糟糟。你需要整理它。
Your schoolbag is in a mess. You should ________ ______ _______.
4. 周末我想和朋友去看电影。
I want to ________ ________ ________ ________ with my friends this weekend.
5. 上学期，直到6月底，我们才结束新课。
We _______ finish the new lessons _______ the end of June last term.
clean it up
be careful with
take notes
go to the movies
didn’t until
Exercises
二、句型转换。
1. She can fix the bike herself. (改为一般疑问句)
________ she ________ the bike herself
2. —Mike, could you lend me your dictionary (作肯定回答)
—________ ________. Here you are.
3. —Excuse me, could I open the window (作肯定回答)
—Yes, ________ ________.
4. He could solve the problem. (对画线部分提问)
________ ________ he ________
5. Lucy was able to ride a bike at six. (改为同义句)
Lucy ________ ________ a bike at six.
Yes sure
you can /of course
What could do
could ride
Can fix
Homework
基础作业：背诵 3a 对话，用 5 个生词（如 until, dead, note 等）各造 1 个句子。
进阶作业：编写在学校和同学或老师发出请求或征求允许的对话（2组）。
拓展作业：策划新家乔迁派对的准备工作。
谢谢
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