friend的形容词和副词形式是？

　　例句：

　　We are still friends, though, which is good.

　　不过我们仍然是朋友，这令人感到欣慰。

　　He's made a lot of new friends.

　　他交了许多新朋友。

　　We've been friends a long time.

　　我们是老朋友了。

　　They've been best friends since they were children.

　　他们从孩提时起就是最要好的朋友。

　　He's one of my best friends.

　　他是我最要好的朋友之一。