新概念1老师教 英语句子This is a girl who is late yesyerday is she?错 为什

应改为: This is the girl who was late yesterday, isn't it?
因为句子的主干是: This is the girl.
who was late yesterday只是定语从句,修饰the girl.
因此,变反意问句时,应该根据主句来反问:主句是is的肯定句,故用isn't it 反问.

注:特指昨天迟到的女孩,故用the girl ; 昨天迟到, 应用: was late .