(共32张PPT)
Unit 3
Language in use
A P75
B P74
1._____(May/Must) I read the magazines on the shelf
Sure, help yourself, please.
2.The bag_______(must/can)be Jim’s. Look, his name is on it.
3.You _______ (can/needn’t)worry about Jim. He’s a good student.
4.You_______(can/need) eat chips with your fingers if you like.
5.Must I stay here to wait for her call
No, you__________(mustn’t/needn’t).
6.We _______(must/can)accept a present with both hands in China.
7.He _______(must/had to)leave school at an early age because his family was poor.
May
must
表推测
needn’t
can
needn’t
must
had to
A P76
1.Mr Lan learnt a lot from his_____________(经历)in England last year.
2.The food in fish and chip shops_______(尝起来) delicious.
3.Ladies and __________(先生)! Can I have your attention, please
4.Fish and chips____ tradtional food in England.
B P72
1.You look very tired. I think you need_______(take) a good rest.
2.It really____________(使吃惊)me that so many students came to our Vegetable Market.
3. Changing schools made a big_________ (差别)to my life.
4.A pair of _____________(筷子) could be a nice present for Australians.
experiences
tastes
gentlemen
is
difference
need在肯定句通常用作实义动词
surprised
chopsticks
to take
1.The little boy has got a lot of lovely __________(玩具).
2.I really enjoyed the_______(停留) in New York.
3. The _________(味道)of the food in this restaurant is quiet good.
4.My ____________(经历)in the USA were exciting.
5. Miss Brown has ___________(经验) in teaching math. She is popular at school.
6. I heard _______________(某人)singing in the room.
7. Mary likes eating____________（三明治）.
8.Many________ （绅士）and ladies are having a party.
9. Ms Lee touched Jim on the____________(肩膀).
10. When Chinese people meet ________________(第一次), they usually shake hands and smile.
toys
stay
taste
experiences
experience
someone/somebody
sandwiches
gentlemen
shoulder
for the first time
A2 Match
情态动词 Model Verbs
情态动词本身_________（具有/不具有）含义。
情态动词为谓语动词增添情态色彩，表示说话人对有关行为或事物的____________。
情态动词后面接的动词需要使用____________，其否定形式是在情态动词____________（前面/后面）加not。
Grammar
具有
态度和看法
动词原形
后面
must 的用法
1) 表示主观的义务和必要，主要用于肯定句和疑问句，意思为 “________________”；must的否定形式mustn’t，表示 “______________”
Grammar
必须；一定要
禁止；不能
-Must I come before 6:30 tomorrow
-Yes, you must.
-No, you needn’t./ No you don’t have to.
2) 表示_____________，常用于___________中，
意为 “一定是，必然…”。
e.g. ( 现在的猜测 ) 你的妹妹现在一定在这家医院当医生。
（正在进行的猜测）他现在肯定正在阅读室看报纸。
Your sister must be a doctor in this hospital.
He must be reading newspapers in the reading room now.
肯定的猜测
肯定句
have to 与must的区别
两都都表示“必须”，但must侧重于说话者的___________，认为有必要或有义务去做某事；have to侧重于___________，含有“不得不，被迫”之意。
e.g. All passengers must wear seat belts.
所有乘客都要系安全带。
My bike was broken yesterday, so I
had to walk to school. 昨天我的自行
车坏了，所以我只能走路去学校。
主观看法
客观需要
can 的用法
can的否定形式为cannot，缩写为can't。
1) 表示__________
e.g. I can’t swim. 我不会游泳。
Can you drive 你会开车吗？
能力
注意：
can表示能力可与__________互换使用。__________有更多的时态，常被用来表示__________所不能表示的将来或完成的概念。
e.g. They will be able to run this machine
on their own in three months.
他们将在未来的三个月自己操作这个机器。
be able to
be able to
can
2) 表示__________
e.g. You can use their first name when you get to
know each other better.
当你更加熟悉他们时候，你就可以直呼他们的名字。
You can’t put the milk in first.
你不能先倒牛奶。
Can I use your pen
我能用下你的笔吗？
许可；可以
3) 表示__________
e.g. You can’t be srious
你不是认真的吧。
He can’t be in the library now since the library is
closed at this time.
他不可能在图书馆因此此刻图书馆未开。
推测（可能）
can表示推测常用在否定句和疑问句
could表示推测常用在肯定句、否定句和疑问句
1. He could be in great pain.
2. Can/Could this be true
need 的用法
need既可以作__________，也可以作__________。
1) 做情态动词时，用法为need/needn’t do
如果她要什么，说一下就行了。
你不必等待。
If she wants anything, she need only ask.
You needn’t wait.
2) 做实义动词时，用法为___________和___________
她需要把房间打扫一下。
你不必等待
情态动词
实义动词
need to do
don’t need to do
She needs to clean the house.
You don’t need to wait.
need 的用法
need既可以作__________，也可以作__________。
2) 做实义动词时，用法为___________和___________
花朵需要每天浇水。
这辆车需要修理。
情态动词
实义动词
need to do
need doing
Flowers need watering every day.
The car needs repairing.
Flowers need to be watered every day.
The car needs to be repaired.
It’s 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’s not polite. You (2)might/ can know someone well, but you (3) must/ need not ask “How much money do you make ” He (4) may/ can never speak to you again!
Underline the correct words.
3
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 countries you (9) might/ must not wear shoes in the house.
Retell
meet someone for the first time,
get to know each other better or they ask you to
at around 4 pm,
a light meal,
sandwiches, fruit cake, tea with milk
traditional food,
in special shops on the high way,
take it away
push your way onto the bus,
stand in line and wait your turn,
slow
Brain storming
Rules
VS
Customs
We'd better not
have your hair cut because it's bad for my uncle.
Students mustn't
have long hair at
school. You need
have your hair cut.
Free talk
1.Should students have your hair cut
during the Spring Festival Why
2.Who is right Why
It depends on the situations.
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.
Complete the conversations with
can or can’t.
can
can’t
Yes, we can
1
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.
No, we can’t
can’t
No, we can’t
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
2
School rules
What school rules do we have
It’s 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’s not polite. You (2)might/ can know someone well, but you (3) must/ need not ask “How much money do you make ” He (4) may/ can never speak to you again!
Underline the correct words.
3
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 countries you (9) might/ must not wear shoes in the house.
Listening Practice
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
Home rules
Write some things you can, must and
must not do at home.
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
e.g. —I must visit my grandparents once a week.
I mustn’t stay up late in the evening.
— ...
I can… I must… I must not…
6
Complete the sentences with the words or
expressions in the box.
baseball cap chess set chopsticks
dictionary present
1 Use your to look up any words
you do not understand.
2 Most Chinese people eat noodles with
_____________.
dictionary
chopsticks
7
3 Jenny could not wait to open her birthday
__________.
4 He thinks it is cool to wear his _____________
back-to-front.
5 Where is my____________ Let's play a game.
presents
baseball cap
chess set
Around the world
1, What do people take as a gift in the west
2. Who are red roses for
3. What should you pay attention to in Greece when giving flowers
Flowers.
For someone we love.
You must not give white flowers because that means that someone is dead.
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.
Around the world
When you go to a foreign country, it is always best to check what people usually do, so you do not make a mistakes.
