《Language in use》Help PPT课件

Summary

祈使句结构如下：

肯定：(Please) + do  sth. 

否定：(Please) + Don’t   do  sth.

DO，可以放在动词前，为加强语气用。

如：Do come in, please!

Do listen to me, please!

Do open the door, please!

... ... ...

一、我们已经学习的表推测的情态动词有：

must/can/could/may/might

二、表推测的三种句式：

1. 在肯定句中一般用must，can/could，may/might，程度逐渐减弱。

e.g. He must/may/might know the answer to this question.

e.g. You have worked all this week. You must be tired.

2. 在否定句中用can’t/couldn’t (不可能)，may not/ might not(可能不)。 

e.g. It can’t /couldn’t be the headmaster. He has gone to America.

e.g. He may not/might not know the scientist.

3. 在疑问句中，一般只使用can/could。

e.g. Could he have finished the task?

e.g. Can he be at home now?

... ... ...

Language practice 

That could be harmful!

Betty, you must know!

Stay away from windows and heavy furniture.

Do not stand near street lights or under power lines.

1 Complete the sentences with could, must or mustn’t.

1.It is dangerous. You ________keep out!

2.These stairs are not safe. You _______use them.

3.The rocks are falling down. You ______get hit.

4.The river is too deep. You ________swim in it.

5.Betty _______know what to do , because she did some basic medical training.

2 Underline the correct words to complete the first aid instructions.

1 Get  / Do not get medical help immediately.

2 Ask / Do not ask them where the pain is.

3 Lift / Do not lift them because you may drop them.

4 Keep / Do not keep them warm.

... ... ...

Now read the report again and check (√) the true sentences.

1 There are problems everywhere because of rain.

2 The government is warning people about an earthquake. 

3 Some roads in the mountains have a lot of rocks on them. 

4 People are trying to clear the rocks off the roads.

5 There is no problem with power.

1 What is the best title for this passage?

a) 2004 Asian tsunami.

b) A girl saves tourists from tsunami.

c) Underwater earthquakes

2 What did Tilly notice?

a) Water coming to the beach.

b) People watching the water.

c) Bubbles in the water.

3 What does her teacher think of Tilly?

a) She is lucky.

b) She does not do silly things.

c) She is a clever student.

... ... ...

Language points

1.A ten-year-old girl saved about one hundred other tourists in 2004 by warning them that a tsunami, a huge ocean wave, was on its way across the sea.

1) A ten-year-old girl “一个十岁的女孩”

基数词 + year (注意单数) + old 用作形容词 表示“多大年龄的……”

e.g. She has a eight- year- old brother.

2) warn sb. that…意为“提醒/警告某人注意… 如：I was going for a swim in the sea. The  people in the hotel warned me that it may rain

In a few minutes.

我要去海里游泳，宾馆里的人提醒我可能过会要下雨。

3) on its way  在路上，在途中

She did a bit of shopping on the way home.

她在回家的路上买点东西。

2. Tilly’s teacher was very proud of her…

be proud of  sb. 为某人感到自豪

e.g. I just want you to be proud of me, honey.

我只是想让你为我自豪,亲爱的。

If he becomes a doctor when he grows up, his parents will be proud of him.

如果他长大后成了医生,他的父母会以他为荣的。

... ... ...

Exercises 

1. --Is this Lan Qiang’s boxing glove?

--Yes, it _______ be his. This is his name on the back.

2. You’d better take an umbrella. It _________ rain this afternoon.

3. It’s the library! So you ____ know shouting is not allowed here.

4. --Have you decided where to spend your summer holiday?

--Not yet. We ____ go to Qingdao.

5. --Is Jessica giving us a speech this evening?

--No, it ______ be her. She has been to Japan.

6. --What will the weather be like tomorrow?

--It _____ be rainy, cloudy or sunny. Who knows?

7. You _____ be tired after playing sports for a long time without a rest. 

8. --Can I tell Peter about the news?

--No, I don’t want anyone else to know it.      

You _______ keep it to yourself.

... ... ...

Homework 

Talk with your classmates about the knowledge of how to survive or protect yourself in an accident. Then try to make a role play.

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