my father often whatches tv at night用at 9:00 last night改写句子

问题描述:

my father often whatches tv at night用at 9:00 last night改写句子
my father___ ___ tv at 9:00 last night

my father_was__ _watching__ tv at 9:00 last night过去式和现在进行时可以在一起!!?was watching是过去进行时啊,表示昨天晚上9点钟的时候正在看电视。
过去进行时的结构:助动词was/were+动词的ing形式(也叫现在分词)