《Language in use》Education PPT课件下载

外研版九年级英语下册《Language in use》Education PPT课件下载，共40页。

Language practice

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.

Modal verbs

1. 表示能力

表示一个人能做某事时，常用can或could。

eg 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。

2. 表示可能性

如果要表达“可能，可能性”，可以用may/ might或 can/could。

eg Jane may be at home. Jane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。

3. 表示许可或征求对方许可

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。

eg 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。

4. 表示请求对方做某事

如果要请求对方做某事，可以用下列表达方式：

Will / Would / Could you (please) …?

Would you mind …?

eg 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?

你能把声音关小点儿吗？