later 修饰什么时态
问题描述：
later 修饰什么时态
答
得看具体的语言环境，有时候是现在时有时候是过去时。
答
一般用于过去时态,也有用于将来时的
We later learnt that this wasn't true at all.
我们后来了解到根本不是这么回事.
I'll call again later.
我以后再打电话来.
He fell ill on Monday and died three days later.
他星期一得病,三天后就死了.