用所给时间状语改写下列句子I'm doing my homework now.(at this time yesterday) _________________________________________Jim takes a bath every day.(at that time)________________________________请说出为什么这样改 理由
问题描述：
用所给时间状语改写下列句子
I'm doing my homework now.(at this time yesterday)
_________________________________________
Jim takes a bath every day.(at that time)
________________________________
请说出为什么这样改 理由
答
I was doing my homework at this time yesterday.Jim was taking a bath at that time.理由：一、 概念和用法：过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作.其形式为was /were + V-ing.常与表示过...