2. 构成：

肯定句： 主语+be +v-ing+其它.　　 如： I am reading a book.

否定句：直接在be后加not.　　　 如：I am writing.

　　　　　　　　　　　　　　　　　 I am not writing.

一般疑问句及其回答：问句,直接把be提前,肯定回答：Yes,主语 +be　

否定回答：No,主语+be+not

-Are you drawing ?

-Yes, I am./No, I’m not.

1. 含义：表示现在正在进行或一段时间内正在进行的动作。

7. There are many people here.

(四)语法知识：现在进行时

6. Some are taking photos. Others are lying on the beach.

5. Thank you for doing sth.

4. -What’s she doing?

-She’s cooking.

3. -Is Aunt Sarah there?

-Yes, she is.

2. -How’s it going?

-It is great.

1. -How is the weather in Taiyuan?

-It’s cloudy.

13. have a good time

(三)重点句型：