people know I very happiness,and it's a pity that.

people know I very happiness,and it's a pity that.

人们知道我很开心,遗憾的是...

人们知我很高兴，但是可惜。。。

句子没有错误吗？ very 是副词，用来修饰形容词，而happiness 是名词，语法上是不对的。