拨开云雾见时态(五)-- 过去进行时 [来源:学#科#网] Contents 结构 两大用法 when & while 大显身手 过去进行时 结构 was doing were Xiao Pang was sleeping at this time on June 6th. 两大用法 描述过去某个时刻正在进行的动作 标志词:at this time yesterday at 9pm the day before yesterday Tom was catching Jerry at this time yesterday. 描述过去某个时段正在进行的动作 标志词:the whole morning all day yesterday from nine to ten last night I was reading Harry Potter all day yesterday. They were singing from nine to ten last night. when & while when后可长亦可短,while之后只可长 When the thief came in, I was sleeping. The thief came in, when I was sleeping. The thief came in, while I was sleeping. 若是两个都为长,while来把纽带当 While the thief was carrying the TV out, I was sleeping. The thief was carrying the TV out, while I was sleeping. While grandma the newspaper, grandpa the flowers. A.read, was watering B.was reading, watered C.was reading, was falling D.read, watered While grandma the newspaper, she asleep. A.read, was falling B.was reading, fell C.was reading, was falling D.read, fell [来源:学科网ZXXK] Mary a dress when she her finger. A.made, cut B.was making, was cutting C.was making, cut D.made, was cutting 大显身手 1.She the guitar from 2 p.m. to 4 p.m. yesterday afternoon. A.was playi