1) 概念:表示过去某时正在进行的状态或动作。
2) 过去进行时的主要用法是描述一件事发生的背景;一个长动作发生的时候,另一个短动作发生。
3) 常用的时间状语:this morning、the whole morning、all day yesterday、from nine to ten last evening、when、 while。
例句:
My brother fell while he was riding his bicycle and hurt himself.
It was raining when they left the station.
When I got to the top of the mountain, the sun was shining.
例题:
1. Mary ______ a dress when she cut her finger.
A. made;B. is making;C. was making;D. makes;
答案:C。
解析:割伤手指是已发生的事情,应用过去时。同时,when表时间的同时性,"玛丽在做衣服时"提供事情发生的背景,因此用过去进行时。
2. As she ______ the newspaper, Granny ______ asleep.
A. read, was falling;B. was reading,fell;
C. was reading,was falling;D. read,fell;
答案:B。
解析:句中的as = when, while,意为"当……之时"。描述一件事发生的背景时,用过去进行;一个长动作发生的时候,另一个短动作发生。句意为 "在她看报纸时,奶奶睡着了。"句中的 fell (fall的过去时),是系动词,后跟形容词,如:fall sick。