2. 到那时她已完成了那项任务。

1. 到那时，他已经交了一些朋友。

4. 当医生赶到的时候，病人已经死了。

T: Good translations. Now look at the following sentences on the screen. Can you put them into English?

Show the following sentences on the screen.

3. 当她赶到车站的时候，车已经走了。

2. 我早上醒来的时候爸爸就已经在浴室洗澡了。

4. When the doctor arrived, the patient had died.

T: Who’d like to translate them into Chinese? Volunteer?

S: 1. 她到学校以后才意识到把背包落在家里了。

3. When she got to the bus stop, the bus had already left.

2. By the time I woke up, my father had already been into the bathroom.

1. By the time she got to school, she realized she had left her backpack at home.

2. When Tina rushed into class, the teacher had already started teaching. The teacher looked at Tina and asked why she got to school late. She told her teacher that the traffic was heavy and it took her a long time to get to school. The teacher looked at her and said, “I believe you are a good and honest student.” Tina’s face turned red and she realized she was wrong and told the truth to her teacher.

Step V　 Grammar Focus (P77)

T: Look at the Grammar Focus box on page 77. Now who’d like to read the sentences to the class?

Ask a student to read the sentences in the box.

T: Well done. Now we know that when we talk about things that happened before past events, we often use Past Perfect tense. Well, do you know the differences between Present Perfect tense and Past Perfect tense?

Show the following to the Ss.

Point out the differences between the sentences above.

T: From the above examples, we can see the differences between Present Perfect tense and Past Perfect tens. So we can reach the following conclusion:

Show the following to the Ss.

现在完成时: 主语 + have / has done

过去完成时: 主语 + had done

T: Now read the following examples aloud. And observe how Past Perfect tense is used in them. And then translate them into Chinese.

Show the following to the Ss and ask them to read aloud.