21世纪教育网 –中小学教育资源及组卷应用平台
Unit 3 Could you please clean your room 学案
Period 3 Section A（Grammar---4c）
【学习目标】
1.能读懂短文并会做相关练习；
能正确区分提出有礼貌的请求和征求允许的句型，并选出正确的答语。
【学习重点
难点】进一步.掌握情态动词could表达有礼貌的提出要求及请求准许的用法
【学法指导】预习+展示+反馈
【教学过程】
一、导入（启发探究）
总结Section A学过的家务事的英语短语表达并背诵记忆。
二、自学（自主探究）
认真观察Grammar Focus总结提出有礼貌的请求和征求允许的句型以及如何礼貌应答。
熟读Grammar Focus的句子并翻译。
独立完成句子翻译练习
三、交流（合作探究）
1、认真阅读4a中的问题，完成4a中的练习并交流订正答案。
认真朗读4a中的句子。
2、小组合作完成4b的填空练习，注意区别情态动词 的用法。
2、小组合作讨论完成4c的写作练习。
四、总结（引深探究）
1.语法探究情态动词could的语法
Could 用于第二人称，表示委婉地提出请求。常用句型为“Could you (please)+_______... ”意为“(请)你做······好吗？”。2-1-c-n-j-y
肯定回答用：Yes，sure./ Yes, I can./ Of course, I can./ No problem./ With pleasure.
否定回答用：Sorry, I can’t. I have to…/ Sorry, I’ m going to…/ I am afraid I can’t. I have to…
could 用于第一人称，表示希望得到对方的许可。常用句型为“Could I +_______... ”意为“我可以做······吗？”。【来源：21·世纪·教育·网】
肯定回答用：Yes, you can./ Yes, please.
否定回答用：Sorry, you can’t./ I’m afraid you can’t.
2.Could you please pass me the salt 你把盐递给我好吗？
pass sb sth=pass sth to sb.把某物递给某人
eg.She _____ a cup of tea to the headmaster.(递给)
3.Could I borrow that book 我能借那本书吗？
borrow sth. from sb.
They borrowed a lot of money from the bank
我一本书也买不起，只好从图书馆借
1.I couldn't afford to buy any, so I______ them _____ the library. 21cnjy.com
4.Could you lend me some money 你能借给我一些钱吗？
lend/lend / verb (lent, lent )
~ sth (to sb), ~ (sb) sth 借给；借出
Can you lend me your car this evening
你今晚能把汽车借给我用一下吗？
5. enjoy/finish/ mind/practice/imagine/keep+ doing sth21·世纪*教育网
五、练评（包含“考点链接”）
(一)根据句意、汉语和首字母提示完成下列句子
John, please don’t t_________(扔)waste paper on the ground.www-2-1-cnjy-com
Could you please p_________(递)me a cup of tea
The boy often b__________(借)some books from our school library.21*cnjy*com
Jenny h__________(讨厌)doing homework on Sundays.
There are five f__________(手指)on each hand.
(二)用所给词的适当形式填空。
1.I really hate_________(listen)to the loud music.21教育网
2.Neither of his parents_________(like)doing chores.21·cn·jy·com
3.Jim spent five hours in finishing________(draw)the picture.【来源：21cnj*y.co*m】
4.The kids saw the robot throw the ball into the box in________(surprised).
5.Tom’s mother is very busy, so he needs________(help)out around the house.
（三）根据汉语意思，把下列句子补充完整。
1.那个男孩扔下书包就从教室里跑了出去。
The boy________ _______his bag and ran out of the classroom.21世纪教育网版权所有
2.他划伤了左脚，他尽量不让它沾水。
He cut his left foot and he’s trying not to______ _____ _______.【出处：21教育名师】
3.玛丽不喜欢看体育节目，我也不喜欢。
Mary doesn’t like watching sports show and_______ ______ _______.www.21-cn-jy.com
4.你能带小狗出去散步吗？
Could you please _______the dog_______ ______ ______ 2·1·c·n·j·y
5.杰姆总是看电视，在家从不帮助做家务。
Jim watches YV______ ______ _____and never helps out around the house.
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Unit 3 Could you please clean your room 教案
Period 3 (Section A: Grammar & 4a---4c)
教学目标要求
1．能使用情态动词could有礼貌地提出请求并作答。如：Could you help me do the dishes No, I can’t. I cut my finger and I’m trying not to get it wet.
2．能使用情态动词could向别人请求许可并作答。如：Could I hang out with my friends after the movie Yes, but don’t come back too late.
3．能谈论对不同家务活的不同观点，并能阐述原因。如：I hate some chores but I like others. I don’t want to do that. It’s boring.
4．能运用语言知识进行对话、进行交际。
5．能认读并能工整书写所学单词：pass, borrow, lend, finger, hate, chore, while等。
6．能模仿录音正确朗读，分角色对目标语进行进一步的表达。例如，Could I borrow that book Yes, sure. No problem. I finished reading it last night.
Step 1.Revision:
根据所学内容，写出下列短语。
叠衣服 做菜 用某人的电脑
扔垃圾 铺床 扫地
熬夜 生某人的气 带……出去散步
打扫客厅 在……上工作
过来 做家务 搭车
Free talk:
A: Mum, could I go out for dinner with my friends
B: Sure, that should be OK.
A: Could I get something to drink with my friends after the movie
B: Sure, you can.
A: Could I get something to drink with my friends after the movie
B: No, you can’t, you have a basketball game tomorrow.
Step 2 Grammar focus: 21世纪教育网21cnjy.com ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )
Key sentence structures
Could you（please）+ V-原形？
表示委婉地提出请求
1. Could you please clean your room
Yes, sure./ Of course./ Certainly./All right.
2. Could you please do the dishes
Sorry, I can’t. I have to do my homework.
—Peter, could you please take out the trash
—Sure, Mom.
—Could you please do the dishes 2-1-c-n-j-y
—Sorry, I can’t. I have to do my homework.
情态动词的用法：
只作情态动词的 can / could, may / might, ought to, must【来源：21cnj*y.co*m】
可情态可实义的 need, dare
可情态可助动词的 shall / should, will / would21世纪教育网21cnjy.com ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )
相当于情态动词的 have to, used to
1) 情态动词不能单独做谓语, 除ought和have外, 后面只能接不带to的不定式。
2) 情态动词没有人称, 数的变化, 但有些情态动词, 如can、will也有一般式和过去式的变化。
情况
3) 情态动词的“时态”形式并不是时间区别的主要标志, 不少情况下, 情态动词的现在式形式和过去式形式都可用来表示现在时间、过去时间和将来时间。
can 和could：
1) can的主要用法是：
A. 表示体力或脑力的能力：
e.g. The girl can dance very well.
B. 表示说话的推测﹑事物的可能性等:
e.g. Can the news be true
C. 在口语中, can可以表示请求或允许:
e.g. Can I sit here
can表示“能够”时与短语be able to同义，但can只用于一般现在时或过去时，而后者可用于各种时态。另外，can表示个人有某种能力，而be able to表示某人通过努力、克服困难做成某事，相当于succeed in doing sth.；叙述过去事实时，最好用was / were able to，因为could只表示过去具有某种能力。
如：
Can you understand the different kinds of English these people are using
Two years later, he was able to speak very good Chinese.
2) could的主要用法是：
A. could 是can的过去式, 表示与过去 有关的能力和推测:
e.g. We all knew that the young man couldn’t be a doctor.
B. could可以代替can表示请求, 但语气较can客气、委婉:
e.g. Could you lend me your dictionary
Could I use your bike
3) can和could接动词的完成形式，表示可能已经做某事。can用在否定和疑问句中, 表示不相信、怀疑等态度。21教育网
e.g. They can’t have gone out because the light is still on.
以could或would提问时，不能再以could或would作答，而应该用can或will。如：
—Could I borrow your dictionary
—Yes, of course you can.
could与can的区别
could与can都是情态动词, could是can的过去式。二者都可用于表示请求, 但是用法稍有不同。 21世纪教育网版权所有
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。
e.g. Can you tell us your story, Tony
Tony，你能给我们讲讲你的故事吗？
could表示有礼貌的请求，语气委婉，常用于非熟人之间或晚辈对长辈，下级对上级的场合。比如：
--Could you tell us if it snows in winter in Australia www.21-cn-jy.com
--Sure.
--请告诉我们, 澳大利亚冬天下雪吗
--当然可以。
注意：1. 提出委婉的请求在回答中不可用could。
A: Could I have the television on
B: Yes, you can. / No, you can’t.
2. 在否定、疑问句中表示推测或怀疑用couldn’t。
He couldn’t be a bad man.
他不大可能是坏人。
may和might
表示允许或请求; 表示没有把握的推测; may放在句首, 表示祝愿。
May God bless you!
He might be at home.
注意: might 表示推测时, 不表示时态，只是可能性比may小。a
have to和must
1. 两词都是 “必须”的意思, have to 表示客观的需要, must 表示说话人主观上的看法, 既主观上的必要。 21cnjy.com
My brother was very ill, so I had to call the doctor in the middle of the night.
我弟弟病得很厉害，我只得半夜里把医生请来。(客观上需要做这件事)
He said that they must work hard.
他说他们必须努力工作。 (主观上要做这件事)
2. have to 有人称、数、时态的变化,而must只有一种形式。但must 可用于间接引语中表示过去的必要或义务。21·世纪*教育网
He had to look after his sister yesterday.
3. 在否定结构中: don’t have to 表示 “不必”, mustn’t 表示“禁止”。
You don’t have to tell him about it.
你不一定要把此事告诉他。
You mustn’t tell him about it.
你一定不要把这件事告诉他。
Step 3 Practice
Make up dialogues using the sentences in Grammar Focus with your partner.
A: Could you please take the dog for a walk
B: OK, but I want to watch one show first.
4a Write R for requests and P for permission. Then match each one with the correct response.
针对目标语进行控制性的实践活动。
Look at the questions. Please write R for requests and P for permissions. www-2-1-cnjy-com
Check the answers.
(When students check the answers, they should read the whole sentences aloud.)
理解目标语言，选出适合的答语。
This time please match each question with the correct response.21*cnjy*com
学生根据语境来选择答语。
Now, let’s check the answers.
学生进行自我评价(电子书可随机做出评价)。
跟读、齐读、分角色读对话，锻炼口语能力。
First, read the sentences together loudly.
Then read with your partners.
Note：
borrow和lend
borrow和lend都有“借”的意思，但它们的含义和用法有所不同。
★ borrow表示“借入”，即把本来不属于自己的东西借来暂时使用，常与介词from连用。如：
You can borrow a book from the library.
★ lend表示“借出”，即把属于自己的东西借给别人暂时使用，常与介词to连用，也可以跟双宾语。如：【来源：21·世纪·教育·网】
He’s going to lend his bike to Tom.
You mustn’t lend others my pen. 21世纪教育网21cnjy.com ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )【出处：21教育名师】
4b Fill in the blanks in the conversation.
继续进行控制性和开放性的实践活动。
Ask students to look at the conversation in 4b. Fill in the blanks in the conversation according to their understanding.21教育名师原创作品
Check the answers. Ask several students to read their conversations.21*cnjy*com
组织Pair work，学生扮演角色模仿上述会话。
Now try to make a new conversation like 4a. Try to use the target language they learned.
Ask several students to show their conversation.
4c
看图片，进行预测，为4c活动做好铺垫。
Look at the picture and answer the questions:
1．Are the students in the picture at school or are they away from school in the open air
2．What can you see next to them How many tents can you see 21·cn·jy·com
3．What are they doing, do you think
4．If we are going camping with our friends, what should we bring or what do we need to do for this
camping trip
Now open your books and look at 4c.
观看对话，小组练习对话，巩固目标语言。
Imagine you are going camping.
Make a list of things your group needs to do for a camping trip. 2·1·c·n·j·y
Then discuss who will do them and complete the chart. You can use:
Could you please …
Yes, sure. / Sorry, I can’t. I have to …
Could I … Yes, you can. / No, you can’t.
Step 5 Discussion
If we are having a camping trip, what should we do before the trip 【版权所有：21教育】
Step 6 Exercises:
Step 7 Homework
这个暑假你与父母要去法国去度假， 你的宠物小猫Mimi需要请Jimmy帮忙照顾。请用下面的提示词给Jimmy写份留言。
take care of, take for a walk, feed and give some water, play with him, clean
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Unit 3 Could you please clean your room
Period 3 (Section A Grammar-4c)
新目标版 （Go for it） 八年级下
21世纪教育网（www.21cnjy.com)中小学教育资源及组卷应用平台
Revision
根据所学内容，写出下列短语。
叠衣服
做菜
用某人的电脑
扔垃圾
铺床
扫地
熬夜
fold one’s clothes
do the dishes
use one’s computer
take out the rubbish
make the bed
sweep the floor
stay out late
生某人的气
带……出去散步
打扫客厅
在……上工作
过来
做家务
搭车
be angry with sb.
take sb. for a walk
clean the living room
work on…
come over
do the housework
get a ride
根据所学内容，写出下列短语。
enjoy dinner with my family.
A: Mum, could I go out for dinner with my
friends
B: Sure, that should be OK.
A: Could I get something to drink with my
friends after the movie
B: Sure, you can.
A: Could I get something to drink with my
friends after the movie
B: No, you can’t, you have a basketball game
tomorrow.
take the dog for a walk
遛狗
A: Can you please take the dog for a walk
B: OK, but I want to watch one show first.
take out the rubbish
扔垃圾
A: Can you please take out the rubbish
B: Yes, sure.
Could I go out for dinner with my friends
Sure, that should be OK.
Could we get something to drink after the movie
No, you can’t, you have a basketball game tomorrow.
Grammar Focusa
Can you please take the dog for a walk
OK, but I want to watch one show first.
Can you please take out the rubbish
Yes, sure.
Key sentence structures
Could you（please）+ V-原形？
表示委婉地提出请求
1. Could you please clean your room
Yes, sure./ Of course./ Certainly./All
right.
2. Could you please do the dishes
Sorry, I can’t. I have to do my
homework.
—Peter, could you please take out the
trash
—Sure, Mom.
—Could you please do the dishes
—Sorry, I can’t. I have to do my
homework.
重难点点评
只作情态动词的 can / could, may /
might, ought to, must
可情态可实义的 need, dare
可情态可助动词的 shall / should, will /
would
相当于情态动词的 have to, used to
情态动词用法
情态动词的语法特征
1) 情态动词不能单独做谓语, 除ought和have外, 后面只能接不带to的不定式。
2) 情态动词没有人称, 数的变化, 但有些情态动词, 如can、will也有一般式和过去式的变化。
3) 情态动词的“时态”形式并不是时间区别的主要标志, 不少情况下, 情态动词的现在式形式和过去式形式都可用来表示现在时间、过去时间和将来时间。
1) can的主要用法是：
A. 表示体力或脑力的能力：
e.g. The girl can dance very well.
B. 表示说话的推测﹑事物的可能性等:
e.g. Can the news be true
C. 在口语中, can可以表示请求或允许:
e.g. Can I sit here
can 和could：
can表示“能够”时与短语be able to同义，但can只用于一般现在时或过去时，而后者可用于各种时态。另外，can表示个人有某种能力，而be able to表示某人通过努力、克服困难做成某事，相当于succeed in doing sth.；叙述过去事实时，最好用was / were able to，因为could只表示过去具有某种能力。
如：
Can you understand the different kinds of English these people are using
Two years later, he was able to speak very good Chinese.
2) could的主要用法是：
A. could 是can的过去式, 表示与过去 有关的能力和推测:
e.g. We all knew that the young man
couldn’t be a doctor.
B. could可以代替can表示请求, 但语气较can客气、委婉:
e.g. Could you lend me your
dictionary
Could I use your bike
3) can和could接动词的完成形式，表示可能已经做某事。can用在否定和疑问句中, 表示不相信、怀疑等态度。
e.g. They can’t have gone out because the light is still on.
以could或would提问时，不能再以could或would作答，而应该用can或will。如：
—Could I borrow your dictionary
—Yes, of course you can.
情态动词用法小结
1. 情态动词不能表示正在发生或已经发生的事情, 只表示期待或估计某事的发生。
2. 情态动词除ought 和have 外, 后面只能接不带to 的不定式。
3. 情态动词没有人称，数的变化，即情态动词第三人称单数不加-s。
4. 情态动词没有非谓语形式，即没有不定式、分词等形式。
could与can的区别
could与can都是情态动词, could是can的过去式。二者都可用于表示请求, 但是用法稍有不同。
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。
e.g. Can you tell us your story, Tony
Tony，你能给我们讲讲你的故事吗？
could表示有礼貌的请求，语气委婉，
常用于非熟人之间或晚辈对长辈，下级
对上级的场合。比如：
--Could you tell us if it snows in winter in
Australia
--Sure.
--请告诉我们, 澳大利亚冬天下雪吗
--当然可以。
注意：1. 提出委婉的请求在回答中不可用could。
A: Could I have the television on
B: Yes, you can. / No, you can’t.
2. 在否定、疑问句中表示推测或怀疑用couldn’t。
He couldn’t be a bad man.
他不大可能是坏人。
may和might
表示允许或请求; 表示没有把握的推测; may放在句首, 表示祝愿。
May God bless you!
He might be at home.
注意: might 表示推测时, 不表示时态，只是可能性比may小。
1. 两词都是 “必须”的意思, have
to 表示客观的需要, must 表示
说话人主观上的看法, 既主观
上的必要。
have to和must
My brother was very ill, so I had to
call the doctor in the middle of the night.
我弟弟病得很厉害，我只得半夜里
把医生请来。(客观上需要做这件事)
He said that they must work hard.
他说他们必须努力工作。
(主观上要做这件事)
2. have to 有人称、数、时态的变化,而must只有一种形式。但must 可用于间接引语中表示过去的必要或义务。
He had to look after his sister yesterday.
3. 在否定结构中: don’t have to 表示 “不必”, mustn’t 表示“禁止”。
You don’t have to tell him about it.
你不一定要把此事告诉他。
You mustn’t tell him about it.
你一定不要把这件事告诉他。
Write R for requests and P for permissions. Then match each one with the correct response.
_____ Could I hang out with my friends
after the movie
2. ____Could you please pass me the salt
3.____Could I borrow that book
4.____Could you help me do the dishes
5.____Could you lend me some money
P
R
P
R
R
4a
Yes, here you are.
Hmm. How much do you need
Yes, sure. No problem. I finished reading
it last night.
d. Yes, but don’t come back too late.
e. No, I can't I cut my finger and I’m trying
not to get it wet.
1—d 2---a 3---c 4---e 5---b
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!
Could
do
help
Could
fold
4b
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
please
could
If we are having a camping trip, what should we do before the trip
Discussion
What should we do before the trip
buy some drinks
buy some food
take a big cloth
bring a tent
take an umbrella
take a rubbish bag
bring a camera
prepare some programs
Make a list of things your group needs to
do for a camping trip. Then discuss who will
do bring a tent them and complete the chart.
A: Could you please bring Liu Chang
B: Sure. And could you please …
C: Sorry, I can’t. I have to…
4c
To—do list Name
Bring a tent Liu Chang
Pair work
borrow和lend
borrow和lend都有“借”的意思，但它们的含义和用法有所不同。
★ borrow表示“借入”，即把本来不属于自己的东西借来暂时使用，常与介词from连用。如：
You can borrow a book from the library.
★ lend表示“借出”，即把属于自己的东西借给别人暂时使用，常与介词to连用，也可以跟双宾语。如：
He’s going to lend his bike to Tom.
You mustn’t lend others my pen.
hate用作动词，与like意义相反，意为“憎恨，厌恶，不喜欢”，其后可接名词、代词、动词的-ing形式以及动词不定式等。
e.g. Lily hates mice / them.
Jim hated exercising when he was
young.
I hate to do the laundry now.
用情态动词can/could, can’t, may,
must, mustn’t , needn’t填空。
1. - _____ you come and play with us now
- I’m afraid I _____. I _____ do the cooking. I ____ come later.
2. - _____ we clean the windows today
- No, you _______. You ____ clean them tomorrow.
Could
can’t
must
can
Must
needn’t
can
3. - ____ I watch TV this evening, mum
- No, you _______. Work _____ come first.
4. - ____ I come in, please
-Yes, please.
5. Excuse me. ____ you tell me the way to the cinema
May
mustn’t
must
Can
Can
A: Could you help me, please
B: ___________!
A: I want to ________these boxes to my home
Let’s ______ the boxes _____ the car now.
B: _______right.
A: Oh, the box ___ heavy. Can you carry it
B: Yes, I______
A: ________you _____ it to my room
B: Certainly.
完成对话
Certainly
take
put
in
All
is
can
Could
take
教学目标
课外作业
can; could
When I was young I _____ climb any tree in the forest.
Learning a language _____ be a real challenge.
could
can
这个暑假你与父母要去法国去度假， 你的宠物小猫Mimi需要请Jimmy帮忙照顾。请用下面的提示词给Jimmy写份留言。
take care of, take for a walk, feed and give some water, play with him, clean
Dear Jimmy, _____________________________________________________________________________________________________________________. Li Ming
谢 谢！
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