when and while 的区别.ppt

What’s he doing now? What was he doing at three o’clock yesterday afternoon? He football. was playing . He is playing football. What was she doing at seven o’clock yesterday morning? She What’s she doing now? She is running. was running. What are they doing now? They What were they doing at ten last night ? They are dancing. were dancing. Ask and answer in pairs  Where were you at 6:00 yesterday evening? What were you doing ? 1 in a river swimming 2 in a park playing basketball 3 in a shop doing some shopping 4 at home cooking 5 at home doing my homework shout climb What were they doing when you saw them? jump follow practice When 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” 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 photos while “当…..时候” 后面跟的动作延续, 常跟过去进行时 While the boy was taking photos, the UFO took off, Target Language: 比较 “when” and “while” 2. When the UFO landed, the boy was walkin down the street. While the boy was walking down the street, the UFO landed 1. When the alien got out, the girl was shopping. While the girl was shopping, the alien got out. Target Language: = = * * *