以后用英语怎么写

从此以后：thereafter

三天以后：three das ago过去时

in three das三天以内/前，将来时

以后……：from now on

例句与用法：

1. 那人说从今以后他要努力工作了。

The man said that he would work hard from now on.

2. 从今以后，我跟他一刀两断。

I'll have nothing to do with him from now on.

3. 希望咱们的命运好转起来，从今以后我们不会有这么多的艰难困苦。

Let's hope our luck is on the turn and that from now on we won't have so many difficulties.

补充：“曾经，现在，以后”

Once,Now,Hereafter

by the way，如果以后有问题请写详细一些，方便我们想要帮助你的人对症西药。