过去进行时

[例题]

1.I was doing my homework when Mike came last night.

（昨天晚上迈克来的时候我正在写作业。）

2.While Ann was watching TV, her father came home.

（安正在看电视时，她父亲回来了。）[哦，赶快关电视啦！]

3.What were you doing when I knocked at the door?

（我敲门的时候你在干什么？）

4.She wasn't cleaning the room when I went to see her.

（我去看她的时候她不是在打扫房间。）

5.I was spending my vocation England this time last summer.

（去年夏天的这个时候我正在英国渡假。）

6.Mary was dancing while Peter was playing the piano.

（Mary在跳舞，而Peter在弹钢琴。）

7.They were reading the newspaper when I went into the room.

（我走进屋子时他们正在看报纸。）

8.What were you doing at five yesterday afternoon?

（昨天下午5点你在做什么？）

9.The students were preparing for[为……做准备]their lessons when Mr.Black entered the classroom.

（Black先生走进教室的时候学生们正在准备功课。）

10.The teacher was talking to some parents when I saw her.

（我见到老师的时候她正在和家常谈话。）[哎，回家可能要挨揍了，哇……]

[解析]

1、表示在过去某一时刻或某一段时间进行的动作，一般用时间状语来表示。

2、表示移动的动词go，come，start，leave等的过去时可以用来表示过去将来时。