we have a little money with us ,的反义疑问句是don't we 还是don't you

问题描述:

we have a little money with us ,的反义疑问句是don't we 还是don't you
为什么?

We have a little money with us,don't we?可以理解成反义疑问句的主语要和陈述句的主语保持一致吗?