1、过去进行时过去进行时的基本用法过去进行时的基本用法过去某个时间过去某个时间点点正在正在进行进行过去某个时间过去某个时间段段持续持续进行进行I I was listening was listening music at eight last music at eight last night.night.We We were havingwere having an English class an English class yesterday afternoon.yesterday afternoon.afternoonafternoonall dayall dayPart1时间标志词He
2、 He was always changing was always changing his mind.his mind.他总是三心二意。他总是三心二意。(表示厌恶表示厌恶)He He always changed always changed his mind when he was a child.his mind when he was a child.当他还是个孩子的时候，总是容易改变主意。当他还是个孩子的时候，总是容易改变主意。(表示经常性动作表示经常性动作)The children_ TV yesterday The children_ TV yesterday evening.evening.昨天晚上孩子们看电视。昨天晚上孩子们看电视。The children _ TV The children _ TV yesterday evening.yesterday evening.昨晚孩子们整晚都在看电视。昨晚孩子们整晚都在看电视。watchedwatchedwere watchingwere watchingExercisesExercises
