As long as we are united,we can overcome any difficulty,however great it might be.用了这么多逗号
问题描述：
As long as we are united,we can overcome any difficulty,however great it might be.用了这么多逗号
,中间那句是同位语吗?做谁的同位语?怎么每短句都有主语呢?
答
As long as we are united这是让步状语从句,
we can overcome any difficulty这是主语
however great it might be这是也是状语从句