含有must的反义疑问句did he has he

题目

含有must的反义疑问句did he has he
含有must的反义疑问句中 did he和has he怎么区分 eg：He must have lived here for 10 years,___he
He must have finished the work yesterday,____he 为神马第一句用hasn't第二句用didn't?

答案

若句中带有明显的过去时间的状语,则反意疑问句的动词用过去式did
若句中没有表示过去时间的状语,则反意疑问句的动词用现在完成时形式
这你就死记吧