0 Listening EmilyGeorgeFrankgoing to bedwatching a video tape writing on the computer What were these people doing when the light went out last night
用 while 连接的状语从句用进行时,表示正在进行某个动作时,发生了另一个动作,这时主句用一般过去时
When 和 while 状语从句都可以表示正在进行某个动作,但 while 更强调动作持续一段时间
When I was walking in the park, my pen dropped on the ground
While I was walking in the park, my pen dropped on the ground
While they were talking, the teacher came in
While they were sweeping the floor, somebody knocked on the door
While Jim was repairing his car,Lucy was reading a novel
Jim Lucy While Lily was watching TV,Lucy called her
LilyLucy repair 修理,修补 steer 驾驶steering wheel 驾驶盘 dive 潜入,跳水diver 潜水员 mouth-to-mouth breathing 人工呼吸 repair 修理,修补steer 驾驶,steering wheel 驾驶盘dive 潜入,跳水diver 潜水员at once 立刻,马上mouth-to-mouth 口对口的breathe 呼吸co