该词没有过去式，another副词形式，意思是另一个，例如：

1、Time is another important consideration.时间是另一个需要考虑的重要因素。

2、His wife found out he'd been carrying on with another woman.他的妻子发现他和另一个女人勾勾搭搭。

3、She's leaving him for another man.她要抛弃他去跟另一个男人。