用法：

1.過去進行時表示過去某段時間內持續進行的動作或者事情。常用的時間狀語this morning, the whole morning, all day yesterday, from nine to ten last evening, when, while例如：

We were watching TV from seven to nine last night.昨天晚上七點到九點的時候我們在看電視。

What was he researching all day last Sunday?上周日他一整天都在研究什么?

My brother fell while he was riding his bicycle and hurt himself.我哥哥騎自行車的時候從車上摔下來，受傷了。

It was raining when they left the station.他們離開車站的時候天正在下雨。

When I got to the top of the mountain, the sun was shining.當我到達山頂的時候，陽光燦爛。

2.過去進行時可以表示在過去某個時間點發生的事情。時間點可以用介詞短語.副詞或從句來表示。如：

What was she doing at nine o'clock yesterday?昨天晚上九點她在做什么?(介詞短語表示時間點)

When I saw him he was decorating his room.當我看見他的時候他正在裝飾房間。(when從句表示時間點)

3.在復合句中，如果主要動作和背景動作都是延續的或同時發生的，那么主從句的動詞都可用過去進行時。例如：

While he was waiting for the bus, he was reading a newspaper.他邊等車邊看報。(兩個動作都是延續的)

He was cleaning his car while I was cooking.他擦車時我在做飯。(兩個動作同時進行)

　　 歡迎使用手機、平板等移動設備訪問中考網，2025中考一路陪伴同行！>>點擊查看