(共33张PPT)
人教八下英语同步精品课件
人教版八年级下册
Unit 3 Could you please clean your room
SectionA
Grammar focus-4c
语法精品课
人教版八下英语同步精品课件
1.掌握下列词汇：pass, borrow, lend, finger, hate, chore, while
掌握句型：I hate to do chores.
Could I hang out with my friends after the movies
Could I borrow that book
Could you please pass me the salt
Could you lend me some money.
2. 了解情态动词could表达请求时的用法。能运用情态动词could表请求的用法完成4a4b练习。
4.引导学生礼貌地请求别人做某事。教育学生热爱劳动，主动为父母做家务，减轻负担，爱家庭，爱父母。
学习目标
do chores
_____
the bed
dinner
_____ the floor
______the clothes
________ the rubbish
______the living room
_______ the flowers
______ the dog for a walk
｛
_____the dishes
clean
sweep
do
take out
take
water
make
fold
Complete sentences according to each situation.
The mother wants the boy to take the dog for a walk.
_____ ____ ______ take the dog for a walk
Could you please
The mother wants the boy to take out the rubbish.
_______ _____ _____ take out the rubbish
Could you please
Complete sentences according to each situation.
The girl wants to go out for dinner.
_____ ___ go out for dinner with my friends
Could I
The girls wants to get some drink after the movie.
_____ ____ get something to drink after the movie
Could we
A: Can you please take the dog for a walk
B: OK, but I want to watch one show first.
A: Can you please take out the rubbish
B: Yes, sure.
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: No, you can’t, you have a basketball game tomorrow.
New words
1. pass v. 给；递；走过；通过
2. borrow v. 借 ;借用
3. lend v. 借给；借出（lent）
4. finger n. 手指
hate v. 厌恶；讨厌
chore n. 杂务；乏味无聊的工作
while conj. 与…同时；当…时候
而；然而
Grammar Focus
Read the sentences and translate them.
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.
Could you please take the dog for a walk OK, but I want to watch one show first.
Could you please take out the rubbish Yes, sure.
Fill in the blanks according to grammar focus.
1.我可以和朋友一起出去吃饭吗？______go out for dinner _____________
当然那应该可以。_____, that should be OK.
2.看完电影后我们可以买些喝的东西吗？
________ get something ________ after the movie
不，你不可以。你明天有场篮球赛。
No, you _____, you have _________________ tomorrow.
Could I
with my friends
Sure
Could we to drink
can’t a basketball game
3.请问你可以带着狗去散步吗？__________please take the dog__________
可以，但是我想先观看一场表演。_____, but I want_______________ first.
4.请问你可以把垃圾带出去吗？
_________please ________the rubbish
是的，当然可以。Yes，______ .
Could you
for a walk
OK to watch one show
Could you take out
sure
What did you find out
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.
Could you please take the dog for a walk OK, but I want to watch one show first.
Could you please take out the rubbish Yes, sure.
Could 表请求许可的用法
句型:
① Could I + 动词原形 我可以/能……吗？
② Could we + 动词原形 我们可以/能……吗？
1
Could I+动词原型？ 我可以/能...吗？
2
Could we+动词原型？ 我们可以/能...吗？
情态动词could的用法
表示请求许可：委婉地请求别人允许自己做某事
肯定回答：Sure,that should be OK. 当然可以。
否定回答：No,you can’t. You have... 不，不行。
/sorry,you can’t./I’m afraid you can’t.
Yes,you can./Sure,you can./Yes,please.
Grammar Focus
What did you find out
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.
Could you please take the dog for a walk OK, but I want to watch one show first.
Could you please take out the rubbish Yes, sure.
Could表委婉请求的用法
句型:
① 肯定: Could you (please) + 动词原形
② 否定: Could you (please) not + 动词原形
2
否定：Could you (please) not +动原？你不可以/能...吗？
1
肯定：Could you (please)+动原？ 你可以/能...吗？
表示委婉请求：委婉地请求别人做某事
情态动词could的用法
肯定回答：Yes, Sure.当然可以/Certainly.当然/of course.当然
All right. 可以/No problem.没问题
That should be OK. 应该没问题
否定回答：Sorry, I can't, but I have to ..我不得不
I'm afraid not,but I am going to 我打算
I'd love to ,but I 'm doing....我正在
1. 表示过去的能力，作can的过去式
I could speak English at the age of three. 在我三岁时我能说英语。
2. 表示推测，“可能”
You could be right, but I don’t think you are.
你可能是对的, 但我认为你不是。
3. 表示惊讶，“不可能”，比can't语气弱
He couldn't/can't be fifty. 他不可能50岁。
4. 表示建议
You could go to school by subway. 你可以坐地铁去学校。
情态动词could其它的用法
Could 和 can表请求的区别
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:
1. 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。
- Could you tell us if it snows in winter in Australia
- Sure.
2. 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；
- Can you tell us your story, Tony - Of course.
1. —Could I have _____ ice cream, mom
—No, you _____. It’s bad for your stomach.
A. some, can’t B. some, couldn’t
C. any, can’t D. any, couldn’t
2. —Could you play the piano at the age of five
—No, I ______. I started at six.
A. can’t B. shouldn’t C. needn’t D. couldn’t
选出正确选项并说出can / could的用法：
委婉请求别人允许自己做事
ask for permission
can的过去式，表能力
√
√
3. My car is broken. _____ you please give me a lift
A. Must B. Need C. Should D. Could
委婉请求别人做事（make requests）
4. — Mom, could I go out with my friends
—______, but you have to come back before 10: 00.
A. Sorry, you can’t B. Yes, you can C. No way
委婉请求别人允许自己做事
ask for permission
5. — Could you go to the new movie with me now
—Sorry, I ______. Look, it’s time for me to watch the show.
A. can’t B. can C. needn’t D. must
委婉请求别人做事（make requests）
√
√
√
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
a. Yes, here you are.
b. Hmm. How much do you need
c. Yes, sure. No problem. I finished reading it last night.
P
R
P
4. ___ Could you help me do the
dishes
5. ___ Could you lend me some money
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.
R
R
pass sb sth递某物给某人
借，向别人借
borrow sth from sb向某人借某物
lend借给，借给某人
搭配：lend sth to sb
hang out with sb 和某人闲逛
try not to do sth
尽量不要做某事
4a
Could I hang out with my friends after the movie (教材P20 4a)
hang out为固定短语，此时hang的过去式和过去分词均为hung。
hang out 闲逛
Language points
She is hanging out with her friends in the shopping mall.
【拓展延伸】 含hang的其他常见短语：
hang
hang out 抓紧；别挂电话
hang up 挂断电话
hang back 犹豫；留下，吞吞吐吐
hang together (观点等)前后一致
①Could I borrow that book (教材P20 4a)
②Could you lend me some money (教材P20 4a)
borrow v.借；借用 lend v. 借给；借出
Language points
【易混辨析】 borrow、lend与keep
borrow 瞬间性v. 借入
borrow sb. sth. = borrow sth. from sb.
lend 瞬间性v. 借出 (lend – lent - lent)
lend sb. sth. = lend sth. to sb.
keep 延续性v. 保存，保留（引申为“借用”）
可和表时间段的时间状语或how long连用
翻译：
1. Can I _________ (借) your car
2. John _______ (借) this car to us yesterday.
3. You can__________ (借) the books for two weeks.
4. I _______________(借) two books from the library
tomorrow.
5. Can you ______(借) me $10
borrow
lent
keep
lend
will borrow
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!
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.
fold
help
do
Could
could
please
could
chore可数名词do chores=do housework做家务
hate=dislike
hate to do sth. 讨厌做某事
while当…时候
4b
Could
I'll finish my homework while you help me with the dishes. (教材P20 4b)
（1）while在此处作连词，引导时间状语从句，强调在从句动作发生的同时，主句动作也在进行。
while conj. 与……同时；当……的时候；而；然而
Language points
While I was doing my homework, my father was reading a book.
（2）while作连词，还可表示“而；然而”，强调两者之间的对比。
This shirt fits better while that one has a nicer style.
Your group is going to take a camping trip(露营野营),
Let’s make a list of things your group needs to do for it.
buy some drinks
buy some food
bring a camera
prepare some programs
take a plastic bag
take an umbrella
bring a tent
take a big cloth
and so on …
4c
To-do list Name
bring a tent Liu Chang
Make a list of things your group needs to do for a camping trip. Then discuss who will do them and complete the chart.
A: Could you please bring a tent, Liu Chang
B: Sure. And could you please…
C: Sorry, I can’t. I have to …
4c
A: Could you please bring a tent, Liu Chang
B: Sure. And could you please bring a camera, Mary
C: Sorry, I can't. I have to prepare some food and drinks.
D: I'd like to bring a camera. And could I prepare some cards We can play a card game there.
A: That's a good idea. And I'll bring some matches and a flashlight.
Let`s make a summary
1. 委婉而有礼貌的请求他人做某事（make requests）
A: Could you please +v. 动词原形？
B：Yes, sure. / Yes, I can. / No problem./Certainly / Of course.
Sorry, I can`t. I have to…/ I need to…/ I am going to….
2. 礼貌地请求他人允许自己做某事（ask for permission）
A: Could I / we +v. 动词原形？
B：Yes, you can. / Sure./ No problem./Certainly / Of course.
No, you can`t.You have to…/ You need to…/You are going to….
1.—Could I ride an electric bicycle to school, Mr. Wang
— No, you .Students under the age of 16 aren’t
allowed to ride electric bicycles.
A. couldn’t B. needn’t C. can’t D. won’t
2. — Could you play the piano at the age of five
— No, I .I started at six.
A. can’t B. shouldn’t C. needn’t D. couldn’t
3. Could you please______the rubbish here
A. not put B. not to put C. don’t put D. to not put
4. — Could you please do the dishes
— _____. I cut my finger and I’m trying not to get it wet.
A. Yes, sure B. Sorry, I’m afraid I can’t
C. That would be fine D. No problem
5. At that time, we thought the story_______not be true.
A. could B. must C. need D. will
6.—Can I____your bike
—With pleasure.But you mustn't___it to others.
A.lend;borrow B.borrow;lend
C.lend;lend D.borrow;borrow
Homework
这个暑假你与父母要去法国度假， 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写个留言条。
take care of, take for a walk, feed and give some water, play with him, clean
Dear Jimmy, _____________________________________________________________________________________________________________________. Li Ming
谢谢
21世纪教育网（www.21cnjy.com)
中小学教育资源网站
兼职招聘：
https://www.21cnjy.com/recruitment/home/admin
