They are there for the reason you need them to be.这句话最后的to be 是什么结构
问题描述：
They are there for the reason you need them to be.这句话最后的to be 是什么结构
是不是they are to be there
答
完整的句子应该是：“They are there for the reason you need them to be (there).”
这里的there省略了,是need sb. to do sth.,这里的do sth.就是be there.