资源简介

(共25张PPT)
Module 1 Travel
Unit 3 Language in use
外研九年级（下）
Learning Objectives
By the end of the class, we will be able to:
1. use the modal verbs correctly to give rules and suggestions;
2. do the exercises in the textbook;
3. write advice for visitors to China.
Read these sentences and pay attention to these bold words.
You must be careful of falling stones.
You mustn’t walk too close to the edge of the hill path because you might fall and hurt yourselves.
You should always wear proper clothes.
Bears might think our rubbish is food.
— Can we go rock climbing
— No, you can’t.
1.表示命令、禁止、不得不
表达这类含义时一般用must,mustn’t, have to等。
E.g.
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。
从表意的角度总结情态动词的基本用法
2.表示许可或征求对方许可
表达允许某人做某事，或征求对方的认可，可以用can/could/may/might
E.g.
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吗？我觉得不太舒服。
3.表示应该、义务
表示应该、义务等时常用should, ought to, must。
E.g.
You should talk to your parents.
你应该跟你的父母谈谈。
I ought to train more to improve my skill.
我应该多训练来提高技巧。
4.表示能力
表达一个人能做某事时，常用情态动词can或者could表达。
E.g.
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。
5.表示可能性
表达“可能、可能性”，可以用may/might或can/could。
E.g.
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。
6.表示请求对方做某事
表达请求对方做某事，可以用下列表达方式:
Will/Would/Could you (please)...
Would you mind...
E.g.
Would you please help me with this suitcase
你可以帮我拿这个手提袋吗？
Would you mind turning down the music
你能把音乐关小点儿声吗？
7.表示建议和邀请
表达建议和邀请可以用下列表达方式:
Would you like(to)...
Shall we...
E.g.
Would you like to play basketball
你想打篮球吗？
Shall we go
我们走吧！
8.表示意愿
表达想做某事可以用would like/love to...
E.g.
I’d like to be a scientist.
我想成为科学家。
We would like to apologize for the delay.
我们愿对延迟表示歉意。
I would love to go abroad this year, perhaps to the South of France.
我今年想去国外，可能去法国南部。
9.表示没必要做某事
表达没必要做某事常用 needn’t, don’t have to等。
E.g.
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 book the tickets in advance.
你不必提前订票。
You don’t have to read everything to write.
你不必非要看完所有的书才去写作。
拓展：情态动词语气强弱排序
might表示可能性
ought to/have to表示必须，应该
can表示能力（相当于be able to）
许可（相当于may）
could表示过去的能力（can的过去式）
有礼貌的请求
shall表示用于征求对方的意见
should表示建议或者推测
may表示允许或者征求对方许可
must表示必须，应该
弱
强
上级对下级
不得不
应该
常用
一般疑问句
不太客气
常用
谦卑
1. Match the signs with the rules and warnings.
Exercises
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.
a
b
c
d
e
f
f
b
d
e
c
a
Dos
● Check in at the main gate
when you come to the centre.
● Climb with someone.
● Wear a hard hat at all times.
● Wear the correct climbing shoes.
● Wear comfortable clothes.
2. Read the list of rules and write sentences using must,
mustn't, should or shouldn’t.
London Indoor Climbing Centre
Visitors please note:
Don’ts
● Don’t climb without a rope.
● Don’t eat or drink anywhere except in the restaurant.
● Don’t listen to personal music players while climbing.
● Don’t talk on a mobile phone while climbing.
—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
2. Why must you wear comfortable clothes
3. Why mustn’t you climb without a rope
4. Why shouldn't you listen to music while climbing
3. Work in pairs. Explain why the rules in Activity 2 are important.
4. Complete the passage with the correct form of the words in the box.
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
tourists
keep
1. You should ____________________________________.
2. You shouldn’t __________________________________.
3. You must _____________________________________.
4. You mustn’t ___________________________________.
put your rubbish into the litter bins
throw your rubbish into the streams
take care of the trees
cut your names into the trees
Now write possible rules for visitors to the forests.
5. Complete the sentences with the words in the box.
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
6. Read the passage and answer the questions.
1 What does Zhang Wenpeng try to say with his drawing
He tries to say that people must wake up to the fact that
pollution is causing damage to the progress we've made. 　
2 What does Zhou Zhiyuan try to say with his drawing
He tries to say that people mustn’t waste electricity.
3 What does the school suggest the students should do
The school suggests the students should pass on what
they have learnt in school to their parents and neighbours.
4 How can a school become a “green school”
It has to include education about the environment as part of the timetable.
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 picnic.
6. Don't walk when it is ________ or in _________________.
7. You must not try out a ____________with a group.
7. Listen and complete the sentences.
plan the walk
you are going to walk
clearly marked paths
paths
you can stop
bring food
too hot
very bad weather
new walk
Around the world
Ecotourism
Ecotourism is also known as “responsible tourism”. It means you visit places without damaging the environment. Many countries around the world have started ecotourism holidays and trips. Tourists help the local communities look after their natural environment. Here are some rules of ecotourism.
Dos
● Take rubbish away with you.
● Walk on paths or roads.
● Take photos but nothing else.
Don’ts
● Don’t pick flowers or damage trees.
●Don’t pollute rivers or streams.
●Don’t make open fires in the forests.
Module task: Writing advice for visitors to China
8. Work in pairs. Discuss and give advice for visitors to China. Talk about：
● visiting someone’s home ● eating and drinking
● travelling on public transport ● behaving politely in public
● visiting tourist sights
Write your advice:
You must... You mustn’t... You should... You shouldn’t...
Work in groups and compare your advice. Choose the five most useful pieces of advice for visitors to China.
THANK YOU!

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