小沃每日英语分享—基础语法第十三篇:
10月24日
今天继续昨天的内容给大家介绍英语时态中的过去进行的用法
四.过去进行时
1. 概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作。
如:My brother fell while he was riding his bicycle and hurt himself.
2. 基本结构:主语 + was / were + doing
否定形式:主语 + was / were + not + doing
一般疑问句:把was或were放于句首。
3. 时间状语:
(1)at that time(2)at this time+过去的时间(3)It was+ 时间点/ 日期/ 星期(过去)
(4)from A时间 to B时间+过去的时间
4. 用法:
(1)过去进行时表示过去某段时间内持续进行的动作或者事情。
如:We were watching TV from seven to nine last night.
(2)过去进行时可以表示在过去某个时间点发生的事情。时间点可以用介词短语、副词或从句来表示。
如:What was she doing at nine o’clock yesterday? (介词短语表示时间点)
She was doing her homework then. (副词表示时间点)
When I saw him he was decorating his room. (when从句表示时间点)
(3)在复合句中沃尔得英语沃尔得英语沃尔得英语:小沃每日英语分享(10月24日),如果主要动作和背景动作都是延续的或同时发生的沃尔得英语,那么主从句的动词都可用过去进行时。
如:When he was waiting for the bus, he was reading a newspaper. (两个动作都是延续的)
He was cleaning his car while I was cooking. (两个动作同时进行或主句的动作发生在从句的动作过程中)