本文目录
过去进行时是英语语法中的一种时态,用于表达在过去某个时间正在进行的动作或状态。它的构成为 be + 动词的ing形式,其中be动词的形式变化与主语的人称和数有关。下面我们将介绍过去进行时的四种句型结构。
1. 肯定句
过去进行时的肯定句结构为:
主语 + was/were + 动词的ing形式 + 其他成分
例如:
- I was watching TV when she called me.
- They were studying for the exam all night.
2. 否定句
过去进行时的否定句结构为:
主语 + was/were + not + 动词的ing形式 + 其他成分
例如:
- He was not playing football at that time.
- We were not listening to music while we were driving.
3. 疑问句
过去进行时的一般疑问句结构为:
Was/Were + 主语 + 动词的ing形式 + 其他成分?
例如:
- Were you sleeping when I called you?
- Was she cooking when you got home?
4. 特殊疑问句
过去进行时的特殊疑问句结构为:
疑问词 + was/were + 主语 + 动词的ing形式 + 其他成分?
例如:
- What were you doing when the accident happened?
- Where were they going when you met them?
以上就是过去进行时的四种句型结构。我们可以通过不同的句型结构来表达不同的语境和信息,帮助我们更准确地表达自己的意思。