几点起床,用疑问词when引导,后面是一般疑问句。那就是When does your mother usually get up on weekends? 楼主,您采纳的那个答案明显错误啊,句中两个谓语,一个is ,另一个get up
What time does your mother usually get up at the morning?
when is your mother usually get up on weekends?