This is the first time that your grandpa has been to America,.反义疑问句是什么
问题描述：
This is the first time that your grandpa has been to America,.反义疑问句是什么
答
这是首次发现爷爷已赴美
答
Isn't this 后面照搬就可以了.
答
This is the first time that your grandpa has been to America,isn't him
答
This is the first time that your grandpa has been to America,isn't him?
很通俗了
一般反意疑问就是再后面+is/are 主语 或者 do/does 主语
主要看句子
其实也很简单
:P