DID she do some reading yesterday 和 Was she doing some reading yesterday?有什么区别呢

DID she do some reading yesterday 和 Was she doing some reading yesterday?有什么区别呢
DID she do some reading yesterday 和 Was she doing some reading yesterday?有什么区别呢

DID she do some reading yesterday 和 Was she doing some reading yesterday?有什么区别呢
第一句是过去时,第二句是过去进行时.
一般过去时表示在过去某个时间发生的动作或存在的状态,而过去进行时则表示在过去某一时刻或某段时间正在进行的动作

用Did问的是一般疑问句，是一般过去式，用Was问的也是一般疑问句，但是是过去进行时。

两者都表示过去，只不过前者为一般过去时，强调动作发生在过去；而后者为过去进行时，强调的是过去某一时刻或某段时间内正在进行的动作或状态，侧重于表示动作或状态的延续。