過去進行時

[例題]

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

（昨天晚上邁克來的時候我正在寫作業(yè)。）

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

（安正在看電視時，她父親回來了。）[哦，趕快關(guān)電視啦！]

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

（我敲門的時候你在干什么？）

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

（我去看她的時候她不是在打掃房間。）

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

（去年夏天的這個時候我正在英國渡假。）

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

（Mary在跳舞，而Peter在彈鋼琴。）

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

（我走進屋子時他們正在看報紙。）

8.What were you doing at five yesterday afternoon?

（昨天下午5點你在做什么？）

9.The students were preparing for[為……做準備]their lessons when Mr.Black entered the classroom.

（Black先生走進教室的時候?qū)W生們正在準備功課。）

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

（我見到老師的時候她正在和家常談話。）[哎，回家可能要挨揍了，哇……]

[解析]

1、表示在過去某一時刻或某一段時間進行的動作，一般用時間狀語來表示。

2、表示移動的動詞go，come，start，leave等的過去時可以用來表示過去將來時。