I want you to know that time can prove everything.“时间能够证明一切”用被动态:I want you to know that everything can be proven by time ! 网上有人说prove是系动词所以没有被动形式,但是牛津字典里找不到这种说法。 所以可以被动。 最好的解释就是:牛津字典中,有个例句: Can it be proved that he did commit these offences? 能证明他确实犯了这些罪吗?