副词修饰be动词可以吗?I hope things are well.well不是副词吗?怎么修饰be动词了?为什么不用good?是不是副词除了here there外都不能修饰be动词?（请分别回答以上四个问题）

well 可以是副词,比较级为better *为best,用法例如： Did you sleep well?形容词,比较级和*分别为better和best,用法例如：I don't feel very well.感叹词,用于强调,例如: Well, I think it's a good idea ...