过去进行时含义: 表示过去某个时刻 正在进行的动作。结构: was/were + doing例句:I was having an English class at this time yesterday. 现在进行时含义: 表示现在 正在进行的动作。结构: is/am/are + doing例句:I am having an English class. 过去进行时的疑问式 I wasn’t having an English class at this time 过去进行时的否定式 Were you having an English class at this time.?WhatWhat’s ’s he he doingdoing nownow??What was he doing at three o’clock yesterday afternoon?He football.was playing. . HeHe is playingis playing footballfootball.. What was she doing at seven o’clock yesterday morning? SheWhat’s she doing now?SheSheis running.was running. What What areare theythey doingdoing nownow?? TheyWhat were they doing at ten last night ?Theyare dancing.were dancing. Ask and answer in Ask and answer in pairspairs WhereWhere were you at 6:00 were you at 6:00 yesterday evening?yesterday evening? WhatWhat were you doing ? were you doing ? 1 1 in a river swimming in a river swimming 2 in a park playing basketball2 in a park playing basketball 3 in a shop doing some 3 in a shop doing some shoppingshopping 4 at home cooking 4 at home cooking 5 at home doing my 5 at home doing my homeworkhomework shoutclimbWhat were they doing when you saw them?jumpfollowpracticeWhen I …He was doing…When I called him up, it was sleeping.While I …He was doing…While I was sleeping, he was eating.When it …He was doing…When it walked on the street he was eating.When they …I did…While they were fighting with each other I slept.While practice !比较 “ when” and “while”1. when “ 当… .. 时候” 后面跟的动作不延续 , 常跟一般过去时When the UFO took off, the boy was taking photos1. while “ 当… .. 时候” 后面跟的动作延续...