过去进行时的用法结构标志词
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发布时间：2024-10-09 05:00
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热心网友
时间：2024-10-10 06:02
结构标志词
过去进行时的结构标志词由“be”动词的过去式“was”或“were”和动词的现在分词构成。例如：
I was studying English at the library.
They were playing basketball in the park.
用法
过去进行时常用于以下情况：
1. 表示过去某个时间点正在进行的动作
At 8 o'clock yesterday evening, I was cooking dinner.
At this time last year, we were traveling in Europe.
2. 表示过去某段时间内持续进行的动作
She was working at the company for five years before she quit.
The children were playing outside all afternoon.
3. 表示过去某个时间点正在进行的状态
He was feeling sick yesterday.
They were waiting for the train when it started to rain.
需要注意的是，过去进行时通常与过去简单时态连用，用于描述同时或相继发生的动作。例如：
I was studying English when my phone rang.
They were playing basketball while I was reading a book.
以上就是关于过去进行时的用法结构标志词的详细介绍，希望对大家有所帮助。记得多练习，加强语感，才能更好地掌握语言技能哦！
