管理员摘要：
过去进行时的英语语法汇总 导语：过去进行时表示过去正在进行的动作，经常用在when, while, as引导的状语从句中。下面cnfla小编为您收集整理了过去进行时的英语语法，希望对您有帮助 过去进行时的基本结构：was/were+doing When my husband was going into the din……
过去进行时的英语语法汇总
导语：过去进行时表示过去正在进行的动作，经常用在when, while, as引导的状语从句中。下面cnfla小编为您收集整理了过去进行时的英语语法，希望对您有帮助
过去进行时的基本结构：was/were+doing
When my husband was going into the dining room this morning, he dropped some coins on the floor.
Their father was watching TV while they were having dinner.
变疑问句将be动词移到句首
Was their father watching TV while they were having dinner.
变否定句在be动词后面加 not
Their father was not watching TV while they were having dinner.