yes是形容词还是副词

副词
1 used when you are agreeing with someone or agreeing to do something 是（用于表示同意）
2 used to show that you are listening to someone and want them to continue 恩，是（用于表示在听某人说话并要其说下去）

是感叹词

副词

是一个判断动词！

感叹词，有时也可以作名词