given that 引导的从句是虚拟语气吗？

其实它相当于if,“如果……”
引导的是条件状语从句，可以仅仅是假设，也可以是虚拟的。
想起了beyonce的歌if i were a boy这个虚拟句
这个就可以改成了
Given that i were a boy,i would be a better man.

不是虚拟语气，仅仅是一个简单的从句。
e.g. Given that she is interested in children, I am sure teaching is the right career for her.

不用虚拟语气,given可以做 介词,考虑到