1. We （已经学了5000单词）by the end of last month.
2. I （已经完成作文）before supper.
3. They （已经吃过早饭）before they arrived at the hotel.
4. How many English films （你已经看过）by the end of last term?
5. He said he （从未见过）such an exciting match before.
6. Most of the guests （已经离开）when he arrived at the party.
7. When Jack arrived, he learned Mary （已经离开）for
almost an hour.
8. She didn’t go to bed until she （已经完成）the work.
9. It was the third time that he （失业）that year.
10. As soon as I saw a lady getting off the bus, I knew it was she, for I _____________________
（以前见过她）.
【知识小结】
A. 过去完成时的构成形式：had + 过去分词
【提升与拓展】
I. 请用“过去完成时”将下列句子翻译成英文
1. 当我醒来时，雨已经停了。
2. 昨夜十点钟之前他已上床睡觉了。
3. 当我到达车站时火车已经开走了。
4. 当车来的时候，我在车站已经等了20分钟。
