You’d better go to see your sister,hasn’t you?疑问部分为什么用has 不用 had

You’d better go to see your sister,hasn’t you?疑问部分为什么用has 不用 had
You’d better go to see your sister,hasn’t you?
疑问部分为什么用has 不用 had

You’d better go to see your sister,hasn’t you?疑问部分为什么用has 不用 had
hadn't you

恐怕不是吧!应该是You'd better go to see your sister, haven't you?

楼上说的对，这句话前半句就错了，没有to

是hadn't you
什么hasn;t you!

had better 是个词组，had better+do sth.