they feel the need to control the lives of those children to control 动词不定式怎么解释

they feel the need to control the lives of those children to control 动词不定式怎么解释
they feel the need to control the lives of those children to control 动词不定式怎么解释

they feel the need to control the lives of those children to control 动词不定式怎么解释
to control the lives of those children 是不定式短语,作后置定语的,指“.的需要”

貌似作谓语动词feel的宾补。