We shall bring some flowers here. (改为反意疑问句)

shan' we
因为前面是shall ,是肯定形式，所以后面要变否定。
（反意疑问句前后两部分谓语应是，“肯定陈述＋否定疑问”或“否定陈述＋肯定疑问”，且主语要一致）

will you ?

shan't we?

won't we?

will you ?