treat的过去式和过去分词是什么

例句：

1、That is no way to treat another human being.

那绝不是对待他人的方式。

2、Students were angry at being treated like children.

学生对于把他们当小孩子对待感到气愤。

3、Let's go out for lunch ─ my treat.

咱们到外面去吃午餐，我请客。

4、 I'm going to treat myself to a new pair of shoes.

我打算给自己买双新鞋。