Unit5 What were you doing when the rainstorm came?Section A1. 过去进行时(1)用法 过去某个时间正在发生的动作 He was cooking at six last night. 昨天晚上六点，他正在做饭。 过去某段时间正在发生的动作 I was staying here from March to May last year. 去年从3月到5月，我一直呆在这里。(2) 与过去进行时连用时间状语，at nine last night/at that time=then/at this time yesterday/或有when the teacher came in/ while he was reading的提示(3) 构成：waswere +现在分词(4) 四个基本句型肯定句 He was cooking at six last night.否定句 He was not cooking at
