人教版七年级英语下册 《Don't eat in class》SectionA PPT(第2课时)

人教版七年级英语下册《Don't eat in class》SectionA PPT(第2课时)，共11页。

John: Hi, my name's John. It's my first day at school.

Alice: Hi, John. I'm Alice. This is a great school, but there are a lot of rules.

John: Really? What are some of the rules?

Alice: Well, don't be late for class. This is very important.

John: OK, so we must be on time. Can we bring music players to school?

Alice: No, we can't. And we always have to wear the school uniform.

John: I see.

Alice: Oh, and we also have to be quiet in the library.

Don't be late for class.

祈使句：表示命令、请求、建议或劝告的句子。

肯定：（1）动词原形+其他       

Stand up, please. 请起立。 

（2）Be + adj.       

Be careful! 小心！  

（3）Let sb. + 动词原形       

Let's go to school together.  咱们一起上学去吧。

否定：（1） Don't + 动词原形       

Don't stand up. 别站起来。

（2） Let sb. + not + 动词原形

Let them not play with fire. 别让他们玩火。

（3） No + 名词/doing

No fishing. 禁止垂钓。

完成句子

1. _________ play in the street.

不要在大街上玩。

2. I ___________ look after my sister.

我不得不照顾我的妹妹。

单项选择

(    )1. We can eat in the dining hall. But we ____ eat in the classroom.

A. don't           B. didn't           C. can't           D. aren't

(    )2. ---Can you go out with your friends? ---________.       

A. Yes, I can’t              B. Yes, please

C. No, I can’t              D. Yes, I do

... ... ...

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