1.过去进行时表示去某个时刻正在进行的动作.
2.过去进行时的构成:WAS(WERE)+动词的现在分词.
3.与过去进行时有关的时间状语有表示过去某一时刻或某一段过去时间的状语和由WHEN,WHILE等连词引导的时间状语从句.例如:Last week I was reading a book by Dickerns.上周我在读狄更斯写的一本书.
I was playing basketball at five this afternoon.今天下午五点钟我在打篮球.
When i entered the room,he was watering the flowers.我进屋时,他正在浇花.
While she was walking home,it started raining.她正往家裏走,天开始下起雨来