There being no evidence of his crime,the suspect was set free.这句话的being是做什么语?怎样判断的?

there being为there be的非谓语形式之一,它在句中主要用作状语或作介词宾语.用作状语例如There being nothing else to do,we went home.由于没什么其他的事要干,所以我们就回家了.就等于As there was nothing else t...