my mother often does housework at 9;30 am.

问题描述:

my mother often does housework at 9;30 am.

不是吧

主语 + 谓语 + 宾语 + 状语
my mother主语
often 频度副词
does 谓语
housework宾语
at 9;30 am.时间状语
欢迎继续讨论,请及时采纳,谢谢\(^o^)/~