She has nothing to do.这句的不定式怎样解释,从语法结构上讲

问题描述:

She has nothing to do.这句的不定式怎样解释,从语法结构上讲
She has nothing to do this afternoon.这句的to do 在句中充当什么成分
到底哪个的对?

宾语补足语