Task 3: read a short dialogue below and work out the rules.

A: Have you posted the letter for me?

B: Sorry. I was going to do it yesterday. But I had an unexpected guest.

A: It doesn't matter. I will post it myself.

B: If you are busy with your work, I will post it for you.

A: I am going to visit a friend in the company near the post office. Let me post it myself.

(三) Classroom assessment 课堂检测

1. I think it __________________ (rain) tonight.

2. Look！It_____________________ (rain).

3. A: There is a customer waiting for you.

B: Okay. I _____________ (see) him in a few minutes time.

我会在几分钟后见他。(B 刚刚接到消息 。)

4. A: There is a customer waiting for you.

B: I know. I ____________ (see) him in a few minutes time.

　　我知道，我会在几分钟后见他。（B 已经知道）

5. (Lee Won 明天要去搭长途巴士。)

Lee Won：Jo, I need you to bring me to the bus station tomorrow.

Jo：No problem. I _________________ (take) you to the bus station. What time does your bus depart?

Lee Won：At 9 in the morning.