外研版九年级英语下册 Module 4 Rules and suggestions Unit 3 Language in use. 课件(共44张PPT)

(共44张PPT)
Rules and suggestions
Module 4
Unit 3
Language in use
4
hang the food in a tree
move on
by a stream
tidy up
reach out
turn pale
play with sticks
把食物挂在树上
继续移动
在小溪旁边
收拾; 整理
伸出
(脸色)变得苍白
玩枝条
Translate the phrases into English.
Review
What suggestions can you give to people when go walking in the mountains
Lead in
1. The visitors should wear a hat.
2. Don’t walk along the edge.
3. They’d better take some food and water.
4. They should wear comfortable shoes.
…
Lead in
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.
Read and pay attention to the colored words.
Presentation
Complete the rules.
Don’t drink the water.
Don’t climb the ladder.
No swimming.
You mustn’t turn left.
Presentation
No parking.
Don’t play football.
You mustn’t stop here.
2
1
3
Match the pictures and the rules.
×
Lead in
Be careful of children crossing the road.
It’s dangerous to stay out in the sunshine too long without a hat.
Smoking is not allowed inside the building.
Never go mountain climbing in bad weather.
Match the signs with the rules.
Presentation
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 mustn't waste electricity.
Activity 6:Read the passage and answer the questions.
Presentation
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.
A school can become a “green school” by including education about the environment in the timetable.
Presentation
Activity 7:Listen and complete the sentences.
1.The first thing you have to do is to
carefully.
2.Think about where and wether
there are .
3.You should only take makred .
4.Make sure you know where
for lunch.
Presentation
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.
Presentation
Around the world
Ecotourism (生态旅游)
Eco-tourism 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.
Presentation
Tourists help the local communities look after their natural environment. Here are some rules of ecotourism.
Presentation
Eco-tourism
Do
Take rubbish away with you.
Walk on paths or roads.
Take photos but nothing else.
Don't
Don't pick flowers or damage trees.
Don't pollute rivers or streams.
Don't make open fires in the forests.
Presentation
情态动词本身有一定的词义, 表示说话人的
情绪、态度或语气, 但它们不能单独作谓语,
只能和行为动词原形一起作谓语, 表示完整
的意思。
本单元我们主要接触的情态动词有:
情态动词
Presentation
1. can
(1) 表示能力, 意为“能, 会”。
Can you play tennis
(2) 表示提建议或请求。
Can you pass me that book
(3) 表示“许可,可以”, 常用于口语中。
You can use my bike.
否定式用can’t.
Presentation
提示:
表示表示否定推测“一定不, 不可能”, 常用can’t, 。
I saw him playing football just now. He can’t be in the classroom.
Presentation
【2013江苏徐州】12. —Can I borrow your ruler, please
—Yes, you______. But you must return it to me before lunchtime.
A. have B. can C. must D. used to
【解析】考查情态动词。答句意为“是的，你可以，但你必须在午饭之前归还给我”, 所以选择B。
Presentation
【2013湖南益阳】24. The man ______be my English teacher. He has gone to Canada.
A. might B. must C. can’t
【解析】考查情态动词的用法。must表肯定的推测，意为“一定”，可能性较大，might表示肯定推测，“可能”，可能小较小，can’t表示否定推测，意为“不可能”。根据句意：那个人不可能是我的英语老师，他去加拿大了。故选C。
Presentation
2. must
(1) 表示“必须”, 强调主观意愿或客观要求。
I must go now.
You must finish it on time.
(2) 表示肯定推测“一定”, 一种可能性很大的推测, 一般用于肯定句中。
—There’s someone knocking at the door.
—It must be Jim.
Presentation
(3) mustn’t意为“不要”, 表示禁止或不允许。
You mustn’t sit on the stairs.
(4) 以must开头的一般疑问句,肯定回答用must, 否定回答要用needn’t。
—Must I return the book now
—No, you needn’t. / Yes, you must.
Presentation
( )1. —Must I stay at home and take care of her？
—No, you ______.
A. mustn’t B. needn’t
C. can’t
( )2. Please don’t throw paper about. We _______ keep our environment clean.
A. can B. must C. may
B
B
Practice
Presentation
3. may和might
表示允许或请求；表示没有把握的推测；may 可放在句首，表示祝愿。
He might be at home.
May God bless you!
注意： might 表示推测时，不表示时态。只是可能性比may 小。
Presentation
Peter ______ come with us tonight, but he isn’t very sure yet. 　 A. must　 　B. may　
C. can　 D. will
Presentation
4. should
表示“应该”，常用来表示劝告、建议, 认为“某人应该做某事”或“有义务责任做某事”。
We should obey traffic laws.
You shouldn’t have made this kind of silly mistakes.
这时它可以和 ought to, be supposed to 互换使用 。
Presentation
2) should (ought to)表示推测时，是指有一定根据的推测，意为“可能、该”。
—When can I come for the photos I need them tomorrow.
—They should be ready by 12:00.
It’s nearly seven o’clock. Jack should be here at any moment.
Presentation
— _______ I borrow your MP3
— Sure. Here you are.
A. May B. Should
C. Must D. Would
— Is John coming by train
— He _______, but he may not. He likes driving his car.
　　A. must B. can
C. need D. should
Presentation
Practice
Work in pairs and talk about possible rules for visitors to the forests, using must, mustn’t, should, shouldn’t.
eg: Don’t walk on the lawn (草坪).
You should take care of the lawn.
…
Presentation
( )1. — May I go out now, Dad
— No. You _____ let your mother know first.
A. can B. may C. need D. must
D
中考链接
【解析】考查情态动词词义。由答句中“不”，表示语气要求很坚决，应该是“必须”。
Practice
( )23. — Who’s singing in the next room
— It _____ be her. She has gone to New York.
A. can’t B. must
C. shouldn’t D. can
【解析】考查情态动词表推测。表示否定推测时，用can’t，意为“一定不……”。must表示推测时，意为“一定……”，用于肯定句；根据答语“她已经去了纽约”可知是否定推测，故选A。
A
Practice
( )26.— _______ we clean the classroom at once
— No, you _______. You _______ clean it after school.
A. Must; needn’t; may
B. Must; mustn’t; can
C. Shall; can’t; must
D. Need; mustn’t; may
【解析】情态动词的用法。根据前后句意可推断对方在询问“我必须马上打扫教室吗？”。而must引导的一般疑问句否定回答用needn’t。故选A。
A
Practice
( )4.—Look at the sign!
— Oh, I see. We _______ waste water.
A. can B. must C. mustn’t D. needn’t
【解析】情态动词的用法。根据标志可知为禁止浪费水的标志。表示禁止用must， 因此选C。
C
Practice
( )20. — Good morning. I've got an appointment with Ms King in her office.
— Morning. You _______be Mr. Jones. This way, please.
A. will B. must
C. can D. might
【解析】情态动词的用法。will将要，表意愿；must 必须；应该，表猜测时，用于肯定句，意为“一定”，可能性较大；can能，会，表猜测时，常用于否定句和疑问句；might 可能，表猜测时，可能小。依据句意“你一定是琼斯先生吧。”，故选B。
B
Practice
( )33. — Whose backpack is this
— It _______ be Jim’s. Look, his student’s card is in it.
A. must B. can C. mustn’t D. can’t
【解析】情态动词表推测由“他的学生证在书包里面。” 可知“这个书包一定是吉姆的。”
A
Practice
( )7. You ________ stop when the traffic light turns red.
A. can B. had better
C. need D. must
【解析】本题考查情态动词的辨析。句意为：当交通灯变红，你“必须”停下来。根据语境可知此空意为“必须”，四个选项中，只有must有此意，故选D。
D
Practice
( )8. — 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
【解析】考查情态动词的用法。由must引导的一般疑问句表示否定回答时需要用needn’t或don’t have to；表示答应准许某人时情态动词可以用can或may。故选C。
C
Practice
( ) 10. —Can we run across the road now
—No, we ________. We have to wait until the light turns green.
A. needn't B. mustn't
C. couldn't D. shouldn't
【解析】考查情态动词。句意：—我们现在可以跑着过马路吗？—不, 不可以, 我们必须等到绿灯亮。表示“禁止，不许可”时用can’t 或mustn’t ，其中后者语气更强烈一些。
B
Practice
( )21. A country has dreams. We teenagers ________ also have dreams. With dreams and hard work, anything amazing can be created.
A. may B. must C. should
【解析】考查情态动词。一个国家有梦想，我们青少年也有梦想，有梦想和努力工作，任何奇迹都能创造。may “可以”；must “必须”；should “应该”。根据题意选C。
C
Practice
( )37. —Who’s the man over there Is it Mr. Black
—It ______ be him. He’s much taller.
A. may not B. can’t
C. will not D. mustn’t
【解析】考查情态动用法。 句意：那边那个人是谁？是布莱克先生吗？一定不是他，他高多了。情态动词表推测：“一定” 用must，“可能”用might、may、could；“一定不”用can’t。故选B。
B
Practice
( )21. You mustn’t go off on your own, because you _______ get lost in the mountains.
A. should B. must
C. need D. might
【解析】考查情态动词的用法。根据句意“你不许一个人去，因为你可能在大山里迷路”， might 意为“可能”，表猜测。故选D。
D
Practice
( ) — Let’s go climbing, shall we —You _______ be joking! Don’t you know I’m afraid of high places A. may B. can C. must D. should
( ) The man is feeling much better now, so you ______ call a doctor. A. needn’t B. can’t
C. mustn’t D. shouldn’t
C
A
Practice