外研版九年级下册 Module 4 Unit 3 Language in use. 课件 (共41张PPT)

(共41张PPT)
Module 4
Rules and suggestions
To summarise and consolidate the use of modal verbs
Objective
Observe the following sentences carefully. And pay attention to the words in red.
1. You must be careful of falling stones.
2. You mustn’t walk too close to the edge of the hill path because you might fall and hurt yourselves.
3. You should always wear proper clothes.
4. Bears might think our rubbish is food.
5. — Can we go rock climbing
— No, you can’t.
6. You mustn’t go off on your own.
7. You may need some water.
8. We should hang the food in a tree tonight.
9. They can smell food from a long way away.
10. Bears might think our rubbish is food.
11. No one can run faster in the forest than a bear.
12. You mustn’t make any sudden moves or make a sound. And above all, you mustn’t run.
1. You ________ be careful of falling stones.
2. You ________ (not) walk too close to the edge of the hill path because you _______ fall and hurt yourselves.
3. You ________ always wear proper clothes.
4. Bears ________ think our rubbish is food.
5. — ______ we go rock climbing
— No, you _______(not).
6. You ________ (not) go off on your own.
must
mustn’t
might
should
might
Can
can’t
mustn’t
go
Ready
7. You ________ need some water.
8. We ______ hang the food in a tree tonight.
9. They _____ smell food from a long way away.
10. Bears ______ think our rubbish is food.
11. No one _____ run faster in the forest than a bear.
12. You _______ (not) make any sudden moves or make a sound. And above all, you _________ (not) run.
may
should
can
might
can
mustn’t
mustn’t
情态动词
情态动词本身有一定的意义，但不能独立作谓语，只能与其后的动词原形一起构成谓语，表示说话人的情绪、态度或语气，用来表达建议、请求、可能或意愿等。
情态动词没有人称和数的变化，后面必须跟动词原形。常见的情态动词有：can, could, may, might, must, need, shall, will, should, would。
表示一个人能做某事时，常用情态动词can或could表达。例如：
My five-year-old daughter can draw a beautiful picture in five minutes.
我五岁的女儿能在五分钟之内画出一幅漂亮的图画。
As soon as Mike could read, he read books about robots.
迈克刚能看懂书，就看关于机器人的书。
如果要表达“可能、可能性”，可以用may/might 或can/could。例如：
Jane may be at home.
简可能在家。
I might talk to him.
我可能会跟他说说。
You can go to Beijing by train.
你可以坐火车去北京。
如果表达允许某人做某事，或征求对方的许可，可以用can/could/may/might。例如：
You can/may start your work now.
你现在可以开始工作了。
Could/May I come a little later tomorrow I don’t feel myself.
我明天可以晚到一会儿吗？我觉得不大舒服。
如果要请求对方做事情，可以用下列表达方式：
Will/Would/Could you (please)…
Would you mind…
Would you please help me with this suitcase
你可以帮我拿这个手提箱吗？
Would you mind turning down the music
你能把音乐关小点儿声吗？
表示建议和邀请可以用下列表达方式：
Would you like (to) …
Shall we …
Would you like to play basketball
你想打篮球吗？
Shall we go
我们走吧？
表示想做某事可以用would like/love to… 例如：
I’d like to be a scientist.
我想成为科学家。
I’d love to travel around the world.
我想周游世界。
表示应该、义务等时常用should, ought to, must。例如：
You should talk to your parents.
你应该跟你父母谈谈。
I ought to train more to improve my skill.
我应该多训练来提高技巧。
表示这类含义时一般用must, mustn’t, have to 等。例如：
You must study maths to be an engineer.
要当工程师，你必须学数学。
You mustn’t tell it to anyone.
你不许把这事告诉任何人。
You have to come early tomorrow.
你明天得早到。
表示没必要做某事时常用needn’t, don’t have to等。例如：
You don’t have to worry about money. I can lend you some in time of need.
你不用担心钱，你需要的时候我可以借给你。
You needn’t tell me anything if you don’t want to.
好吧，如果你不想告诉我，可以什么也不说。
1. 你必须马上回家。
You must go home now.
2. 他一定吃过什么东西了。
He must have eaten something.
3. 吃饭之前不能吃零食。
You mustn’t eat snacks before meals.
4. 我可以问你的名字吗？
May I ask your name
5. 你能用英语说吗？
Can you speak in English
6. 我们应该准时去上学。
We should go to school on time.
7. 你没有必要那么做。
You needn’t do that.
以下部分为课本练习，供老师在对答案时选择使用。
Match the signs with the rules and warning.
1
P30
a
b
c
d
e
f
1 No smoking.
2 No eating or drinking.
3 Children crossing.
4 Danger! Be careful of
falling rocks.
5 Children should be
taken care of by
parents.
6 Do not drink and drive.
Read the list of rules and write sentences using must, mustn’t, should or shouldn’t.
2
P31
Possible answers:
You must check in at the main gate when you come to the centre.
You should climb with someone.
You must wear a hard hat at all times.
You must wear the correct climbing shoes.
You must wear comfortable clothes.
You mustn’t climb without a rope.
You mustn’t eat or drink anywhere except in the restaurant.
You shouldn’t listen to personal music players while climbing.
You shouldn’t talk on a mobile phone while climbing.
Work in pairs. Explain why the rules in Activity 2 are important.
3
P31
— Why must you check in when you come to the centre
— Because they want to know who is there.
1. Why must you climb with someone
Because you can ask for help if you meet some problems.
4. Why shouldn’t you listen to music while climbing
Because you can hear what is going on around you.
3. Why mustn’t you climb without a rope
Because it is dangerous for you.
2. Why must you wear comfortable clothes
Because comfortable clothes can make you less tired.
People are very (1) _______ about the conditions of the ancient forests of Canada and want to save them. Many visitors to the forests use knives to cut their names into the trees, some of which are hundreds of years old. (2) ________ there are litter bins, people still throw rubbish into the (3) ________ and this causes plants and fish to die.
People from local villages have helped clean up the forests. We hope (4) _______ will play their part in (5) ________ Canada’s forests clean too!
although keep stream tourist worry
worried
Although
stream(s)
tourists
keeping
Complete the passage with the correct form of the words in the box.
4
P31
You should _______________________.
You shouldn’t __________________________.
You must _____________________.
You mustn’t ________________________.
Now write possible rules for visitors to the forests.
help clean up the forest
throw rubbish into the streams
take your rubbish home
cut your names into the trees
1. Come and visit me ________ you have time.
2. The wall is made of _______.
3. The path to the top is not very ________.
4. Remember to take a _______ with you to sleep in, because it might rain.
5. He lifted up the ____ and pointed it at the bear.
6. There was a ______ noise in the woods and we all stopped moving.
7. Birds use small _______ and leaves to make a home.
gun smooth sticks stone sudden tent whenever
whenever
stone
smooth
tent
gun
sudden
sticks
Complete the sentences with the words in the box.
5
P32
Read the passage and answer the questions.
6
P32
1. What does Zhang Wenpeng try to say with his drawing
2. What does Zhou Zhiyun try to say with his painting
Pollution is causing damage to the progress we’ve made.
People must not waste electricity.
3. What does the school suggest the students should do
4. How can a school become a “green school”？
Students should pass on what they have learnt at school to their parents and neighbours.
At school can become a “green school” by including education about the environment in the timetable.
Listen and complete the sentences.
7
P33
1. The first thing you have to do is to ____________ carefully.
2. Think about where ___________________ and whether there are ____________________.
3. You should only take marked ______.
4. Make sure you know where _________ for lunch.
5. Don’t forget to tell people to __________ for the people.
6. don’t walk when it is ___________ or in ________________.
7. You must not try out a __________ with a group.
plan the walk
you are going to walk
clearly marked paths
paths
you can stop
bring food
too hot
very bad weather
new walk
Tapescript:
意义 情态动词
表能力 can/ could
表可能性 may/ might/ can/ could
表许可、征求对方许可 can/ could/ may/ might
表请求对方做事情 Will/Would/Could you…
Would you mind…
表建议、邀请 Would you like (to)…
Shall we…
表意愿 would like/love to
表应该、义务 should/ ought/ must
表命令、禁止、不得不 must/ mustn’t/ have to
表没必要做某事 needn’t/ don’t have to
单项选择。
1. Students in our school _______ know
shouting is not allowed in the library.
A. can B. may
C. must D. need
2. You ______ drive your car so fast. It’s very dangerous.
A. wouldn’t B. shouldn’t
C. couldn’t D. mightn’t
3. _______ I see your ID card, sir We have to check your information.
A. May B. Must C. Should D. Need
4. — Where are you going this month
— We _______ go to Xiamen, but we’re
not sure.
A. needn’t B. must C. might D. mustn’t
5. It’s rather hot in the room. You’d better
________ the windows or the door.
A. close B. not to close
C. don’t close D. not close
6. — Where’s Tim
— I’m not sure. He _____ in the school library.
A. maybe B. must be
C. may be D. will be
7. You made the same mistakes again. You _____ be more careful next time.
A. can B. may C. will D. should
8. I have my own room in my house, so I _____ do what I want in it.
A. can B. have to
C. need to D. must
9. The man in the office _____ be Mr Black because he phoned me from London just now.
A. mustn’t B. can’t
C. may not D. needn’t
10. According to the air traffic rules, you _____ turn off your mobile phone before boarding.
A. could B. would
C. should D. might
11. — Good morning. I’ve got an appointment with Dr Lee.
— Ah, good morning. You _____ be Mrs Jones. A. might B. must
C. would D. can
1. Harry’s been driving all day —he____ be tired. （2015杭州）
A. need B. can
C. shall D. must
2. It’s surprising that Mr. Ma’s little daughter _____ speak English so well. （2015重庆） A. must B. can
C. mustn’t D. can’t
Homework
1. Review the grammar we’ve learnt today.
2. Finish the exercises in Learning English.