（每日一题）inthose
一、一般过去时的结构 1、肯定形式:主语+动词过去式+其他 例句：She often came to help us in those days. 2、否定形式：①was/were+not；②在行为动词前加didn't，同时还原行为...
一、一般过去时的结构 1、肯定形式:主语+动词过去式+其他 例句：She often came to help us in those days. 2、否定形式：①was/were+not；②在行为动词前加didn't，同时还原行为...