初中英语语法梳理和提高——过去进行时讲解过去进行时1）过去进行时的构成： was / were +v-ing2) 过去进行时的用法：过去某一阶段或某一时刻正在进行的动作。
例如：This time last year I was living inBrazil.
What were you doing at 10 o'clock last night?
3)常用于过去进行时的时间状语：at four yesterday afternoon，then，at that time/moment 等。
例题解析：举一反三，学的更轻松！