the police are busy scattering the crowd .

问题描述:

the police are busy scattering the crowd .
busy scattering the crowd 中
busy 是adj.
scattering 也是adj.
crowd 是 n.
这里 谁修饰谁?

are busy scattering the crowd
上面的内容是be busy doing sth.短语的用法.
scattering这里是动名称,是busy来修饰.面the crowd是scattering的宾语