(共29张PPT)
Module 11
Way of life
Unit 3
Language in use
1. 复习本模块的重点单词和短语;
2. 总结和巩固情态动词must, can, need, may, had better的用法,并能予以运用;
3. 能够给要来中国家庭做客的外国朋友提出建议,并学会尊重不同国家的风俗习惯。
You ________ smoke.
mustn’t
Look and say.
You ______ call for help when you’re in trouble.
can
Language practice
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!
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.
Grammar
情态动词
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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.
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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)
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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:既可以作情态动词, 也可以作实义动词。
(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. 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.
Around the world
1. What do people take as presents when visiting someone in the West
People often take flowers.
2. What do red roses mean
It means love.
Read and answer.
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:
一、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
二、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
1. 复习了本模块的重点单词和短语;
2. 总结和巩固情态动词must, can, need, may, had better的用法。
1. Write the advice for foreign visitors to a
Chinese family.
2. Finish the workbook.