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While I walked to school, he was eating.
When I …
He was doing …
When I read the newspaper, he was watching TV.
What were you doing at eight last night?
I was taking a shower.
What was she doing at the time of
the rainstorm?
She was doing her homework.
读下列句子, 你能总结出句子中包含的语法吗？
What was he doing when the rainstorm came?
He was reading in the library when the rainstorm came.
What was Ben doing when it began to rain heavily?
When it began to rain, Ben was helping
his mom make dinner.
What was Jenny doing while Linda was
sleeping?
While Linda was sleeping, Jenny was helping Mary with her homework.
1. 基本概念
过去进行时表示在过去某一时刻或一段时间内正在进行的动作。这一特定的过去时间除有上下文暗示以外, 一般用时间状语来表示。
2. 结构
was / were + 动词-ing
例如:
A: What were you doing at eight last night?
昨晚八点你在干什么？
B: I was taking a shower.
我(当时)在淋浴。
A: What was he doing when the rainstorm came? 暴风雨来的时候他在干什么？
B: He was reading in the library when the rainstorm came. 暴风雨来的时候他在图书馆看书。
A: What was Jenny doing while Linda was sleeping?