1、was和were都是过去时。was是is和am的一般过去式，were是are的一般过去式。

2、was与I/He/She/It连用，were与We/They/You连用。

3、例句：

Right off I want to confess that I was wrong。我立刻就想承认我错了。

He believes in atheism as though it were a new religion.他信奉无神论就像信仰一种新的宗教。