你的理解有误.你所提供的是一个反义疑问句.
基本结构:肯定句,否定?或 否定句,肯定?(肯定与否定须根据前面句子时态而定.)
如: He is a student, isn't he?
He got up at five this morning, didn't he?(由于是一般过去时,借助于did)
He didn't get up at five this morning ,did he?
He can sing English songs , can't he?
你的理解有误.你所提供的是一个反义疑问句.
基本结构:肯定句,否定?或 否定句,肯定?(肯定与否定须根据前面句子时态而定.)
如: He is a student, isn't he?
He got up at five this morning, didn't he?(由于是一般过去时,借助于did)
He didn't get up at five this morning ,did he?
He can sing English songs , can't he?