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What were you doing
when the rainstorm came?
一、
I was walking on the street.
What were you doing when the rainstorm came?
He ____________________.
What was your father doing
at the time of the rainstorm?
was playing basketball
I was talking with my mother in my house.
What were you doing
when the rainstorm came?
I was waiting for the bus at the bus stop.
What were you doing
when the rainstorm came?
过去进行时
含义： 表示过去某个时刻
正在进行的动作。
结构：
was/were + doing
例句：
I was having an English class at this time yesterday.
现在进行时
含义： 表示现在
正在进行的动作。
结构：
is/am/are + doing
例句：
I am having an English class.
二、过去进行时和现在进行时