(共42张PPT)
翻译下列短语。
⑴一副国际象棋 ；
⑵电子游戏 ；
⑶棒球帽 ；
⑷倒霉 ；
⑸接受一份礼物 ；
⑹在西方（国家） ；
⑺注意…… ；
⑻例如 ；
⑼打扫卫生 ；
⑽最好不要做某事 ；
⑾理发 。
a chess set
video game
baseball cap
bad luck
accept a gift
in the West
pay attention to
for example
do some cleaning
had better not do sth.
have one’s hair cut
翻译下列短语。
⑴一些有趣的事 ；
⑵第一次，首次 ；
⑶认识，了解 ；
⑷互相，彼此 ；
⑸名字 ；
⑹喝下午茶 ；
⑺不仅仅……而且…… ；
⑻一顿便餐 ；
⑼喝加奶的茶 ；
⑽大街 ；
⑾拿走，带走 ；
⑿推开人群以通过，挤出去，挤着前进 ；
⒀排队 ；
⒁上公共汽车 ；
⒂注意到某人做了某事 ；
⒃等候，等待 。
something interesting
for the first time
get to know
each other
first name
have afternoon tea
not just…but…
a light meal
drink tea with milk
high street
take away
push one’s way
stand in a line
get on the bus
notice sb. do sth.
wait for
You must say Mr or Mrs when you meet
someone for the first time.
You can take it away.
You mustn’t break anything.
You needn’t wait!
情态动词must, can, need, may, had better的用法。
1. 情态动词后面 + 动词原形。
2. 情态动词没有人称和数的变化。
I cannot play basketball.
I need buy / bought a computer.
She can / cans ride a horse.
Amy need / needs buy a book.
3. 否定式构成是在情态动词后面加 “not” 。
I can play / played basketball.
① 表示义务、必要或命令。如：
You must come early tomorrow．
② 表示推测“肯定，一定” 。如：
They must be at home. The light is on.
③ 否定时表示 “禁止” 。如：
You mustn’t smoke here.
注意：must开头的疑问句，其否定回答通常用 don’t have to 或needn’t 。而不用mustn’t
---Must I finish my homework first
--- Yes, you must.
--- No, you needn’t/ don’t have to.
1. must(必须), mustn’t(禁止，不准)的用法:
（1）must 表示主观因素。
We must study hard to find a good job for ourselves .
（2） have to 表示客观因素。
We are very glad at the party, but it’s 11 p.m., so we have to leave now .
注意have to的否定形式：
I don’t have to go now .
He doesn’t have to finish the work first.
must与have to (必须)的区别：
2. can的用法：
① 表示能力=be able to (可用来表示将来和完成时态)。
He can speak a little English.
② 表示猜测。
That can not be our English teacher, because she has gone to Shanghai.
③ 表示请求或允许。
Can I help you
注意：could也可表示请求，语气委婉，主要用于疑问句，不可用于肯定句，答语应用can。
Could I come to see you tomorrow
Yes, you can.
No, I’m afraid not.（否定回答）
Need I buy a big house
-- Yes, you must.
-- No, you needn’t / don’t have to. (不必要)
Need+主语+动原+？ 需要做……吗？
Yes, 主语+ must.
No, 主语+needn’t/don’t have to.
3. need(需要)的用法：既可以做情态动词, 也可以做实意动词。
(1)need作情态动词，表示“需要”，可用于肯定句、否定句和疑问句。否定形式needn’t比较常用，表示“不需要”或“不必要”。
—Do I need to buy a big house
-- Yes, you do.
-- No, you don’t.
Do/Does+主语+动原+？ 需要做……吗？
Yes, 主语+ do/does.
No, 主语+don’t/doesn’t.
(2)need也可以作行为动词，表示“需要”，常用于“need to do sth.”结构。如：
I need to clean the house. 我需要把房子打扫一下。
4. may(可以)的用法:
1.表示请求或允许 :
May I go home, please
Yes, you may.
No, you mustn’t / can’t.
注意：在疑问句中不用于第二人称。
May +主语+动原+？可以…吗？
Yes, 主语+may.
No, 主语+mustn’t/can’t.
2. 表示可能性 :
You may be right.
注意: might为may的过去式，但也可以代替may，语气较为婉转客气或更加不肯定。
had better意为“最好”，表示建议和劝告，简略式为’d better，否定式为had better not，后面跟动词原形。
You had better go to see a doctor.
You’d better not stay here.
5. had better(最好)的用法：
1. It rained heavily, so we ______ stay at home watching
TV all day.
A. could B. had to C. must
2. — May I take the book out of the reading room
— No, you can’t. You ______ read it here. It’s the rule.
A. must B. would C. may
3. — Dad, may I watch TV
— No. You ______ finish your homework first.
A. must B. can C. may
4. — Bob, shall we go and meet our new classmate
— Sorry. I’m busy now. But you _____ ask David to go
with you. He is free．
A. need B. may C. must
B
A
A
B
【活学活用】
5. You ____ park your car here. You’ll get a ticket, if you do.
A. won’t B. shan’t C. mustn’t D. needn’t
6. I was really anxious about you. You ____ home
without a word.
A. mustn’t leave B. shouldn’t have left
C. couldn’t have left D. needn’t leave
7. The traffic is heavy these days. I ____ arrive a bit late,
so could you save me a place
A. can B. must C. need D. might
8. You ____ pay me now; I can easily wait till next week
for the money.
A. need B. needn’t C. must D. should
C
B
D
B
9. Susan’s parents have bought a large house with a swimming pool. It ___ be very expensive.
A. must B. can C. mustn’t D. can’t
10. You _____ go and ask Meimei. She ____ know the answer.
A. must; can B. must; may
C. need; can D. can; may
A
D
1. A: Can you drive a car at the age of seventeen in England
B: Yes, we . How about China
A: No, we .
2. A: Can you open a gift immediately after you
receive it in England
B: .What about China
A: No, we usually don’t.
3. A: Can you push your way onto a bus in England
B: .How about China
A: No, we either.
4. A: Can you drive on the right-hand side of the road
in England
B: .What about China
A: Yes, we must.
1 Complete the conversations with can or can’t.
can
can’t
Yes, we can
No, we can’t
can’t
No, we can’t
2 Complete the sentences with must or must not.
School rules
1 You be late for school.
2 You eat in the library.
3 You ride your bike in
the playground.
4 You do your homework.
5 You listen to the teacher.
mustn’t
mustn’t
mustn’t
must
must
3 Underline the correct words.
It is important to know what you must and must not do when you meet people from a different country.
You (1) may / must not ask Westerners “How old are you ” because it is not polite. You (2) might / can know someone well, but (3) you must / need not ask “How much money do you make ” He (4) may / can never speak to you again!
In public places, you (5) must / can ask people before you take photos of them, and you (6) must not / might not eat or drink in shops or museums.
In some countries you (7) cannot / can go into someone’s house with your shoes on. You (8) need not / must not take them off. But in some other countries you (9) might / must not wear shoes in the house.
4 Listen to a teenager talking about his life.
Check (√) the things he must or mustn’t do.
must mustn’t
1 clean up bedroom once a week
2 wash up after dinner
3 stay out after 9 pm
4 do homework before going
out
5 wash hands before dinner
6 play music loudly after 10 pm
√
√
√
√
√
√
____________________________________
____________________________________.
2. ____________________________________
____________________________________.
He can go out with his friends at weekends.
He can play music loudly before ten o’clock at night.
5 Listen again. What two things does he
say he can do
I can … I must … I must not …
6 Write some things you can, must and must not
do at home.
I can watch TV when I come home from school.
I must help around the house, for example, do the washing up.
I must not go to bed late.
— I must visit my grandparents once a week.
I mustn’t stay up late in the evening.
— …
Now work in pairs. Tell each other three things you must do at home and three things you mustn’t do. Are your home rules different or the same
baseball cap chess set chopsticks dictionary presents
1. Use your __________ to look up any words you
do not understand.
2. Most Chinese people eat noodles with _________.
3. Jenny could not wait to open her birthday
________.
4. He thinks it’s cool to wear his ____________
back-to-front.
5. Where’s my ________ Let’s play a game.
dictionary
chopsticks
7 Complete the sentences with the words or
expressions in the box.
presents
baseball cap
chess set
A: Many people have one.
B: Is it a chess set
A: No. You use it to get to places.
C: Is it a bike
A: Yes.
baseball cap bike chess set chocolate chopsticks dictionary fish and chips litter photo video game
8 Play a game. Choose a word or an expression
from the box and describe it to the class. The
class guesses what it is.
Traditional presents
In the West, people often take flowers when they visit someone. Different flowers have different meanings. For example, people often give red roses to someone they love. In Greece, you must not give white flowers because that means that someone is dead.
When you go to a foreign country, it is always best to check what people usually do, so you do not make mistakes.
Giving advice to foreign guests who are visiting a Chinese family
What must they wear
What mustn’t they talk about
What can’t they do
What presents can they bring
When must you arrive
…
9 Write some advice for foreign visitors to a
Chinese family. Think about:
10 Work in groups. Show the advice you wrote in
Activity 9 to your group members. Choose two
best pieces of advice.
11 Show the advice your group chose in Activity
10 to the whole class. Put the pieces of advice
together to form the advice of the whole class.
12 Send the advice of the whole class to your
foreign friends or post it to your class blog.
A. 按要求完成下列各题。
1. Must I hand in my homework now？(作否定回答)
___, ____ ________.
2. The poor man began to work when he was 12.
(改为同义句)
The poor man began to work ___ ___ ____ ___ 12.
3. You mustn’t be late for school. (改为祈使句)
______ ___ late for school!
4. Don’t do any washing here. (用can改写句子)
You ______ ___ any washing here.
5. We mustn’t play football in the street. (对画线部分提问)
_____ ________ we ___ in the street
No you needn’t
at the age of
Don’t be
can’t do
What mustn’t
do
B. 用情态动词must, can或need的适当形式填空。
1. We __________ study hard for the coming exams.
2. —Must I finish the work today
—No, you ________. You can finish it in this week.
3. —________ you skate on real ice
—No, I can’t.
4. —Who’s the man Is he our teacher
—No, he _______ be our teacher. Our teacher
has gone to Britain.
must/need
needn’t
Can
can’t
C. 单项选择
1. —Can we play soccer here
—No, you _____ play it near the road. That’s too dangerous!
A. can B. may C. won’t D. mustn’t
2. —Why _______ we close that chemical factory
—Because it has caused lots of pollution. We need better
environment.
A. must B. can C. may
3. All passengers ________ go through the safety check
before they take a plane.
A. can B. may C. must D. ought
D
A
C
4. Drivers _______wear seat belts while their cars are
running on the road.
A. need B. can C. must D. may
5. —Shall we take a car
—No, we _______. It’s only five minutes’ walk.
A. can’t B. mustn’t C. needn’t D. couldn’t
6. Please don’t make so much noise. I _________ hear the
speaker very well.
A. needn’t B. mustn’t C. can’t D. shouldn’t
7. —Mum, must I stay there the whole day
—No, you _______. You _______ come back after
lunch, if you like.
A. mustn’t; can B. needn’t; must
C. needn’t; may D. mustn’t; may
C
C
C
C
8. It’s surprising that Mr. Ma’s little daughter ________
speak English so well.
A. must B. can C. mustn’t D. can’t
9. Nathan likes his job because he _______ enjoy the
beauty of nature.
A. can B. must C. should D. is supposed to
10. Cars, buses, bikes and people _______ stop when the
traffic lights are red.
A. can B. may C. must
11. —You _______ park here! Look at the sign; it says
“No parking”.
—Sorry, I didn’t notice that sign just now.
A. won’t B. needn’t C. mustn’t D. couldn’t
B
A
C
C
A
12. —You look pretty in green, Kate.
—Thank you. I like green. Green _____ give me energy.
A. can B. must C. should D. has to
13. There’s an important football match today. I ______
miss it.
A. may B. can’t C. must D. needn’t
14. —Could you please sweep the floor, Tom
—Sorry, Mum, I _______ . I’m doing my homework.
A. can’t B. mustn’t C. needn’t D. may not
15. —Must I hand in the exercise book today, Miss Green
—No, you ________. Take your time. Just tomorrow.
A. shouldn’t B. needn’t C. mustn’t D. can’t
B
A
B
D. 翻译下列短语。
⑴ at a age of ；
⑵ on the right-hand side of ；
⑶ be late for ；
⑷ clean up ；
⑸ once a week ；
⑹ wash up ；
⑺ stay out ；
⑻ play music ；
⑼ stay up ；
⑽ use sth. to do sth. ；
⑾ look up ；
⑿ can’t wait to do sth. ；
⒀ back-to-front ；
⒁ make mistakes 。
在……岁时
在……的右手边
迟到
清理，打扫干净
一周一次
洗餐具，洗手和脸
待在户外，不回家
播放音乐
熬夜，不睡觉
用某物来做某事
查找，查阅
迫不及待地做某事
前后颠倒，穿/戴反了
犯错误
Homework
1. 抄写单词，每个3遍，每个短语3遍，意思一遍。
2. 读熟U1的对话，U2的短文，记住本模块所学单词、短语、句型和知识点。
3. 完成本单元的练习册。
4. 预习下节课的内容。
