prove的用法除了It is proved that,其他再也没有地方用proved?

prove的用法除了It is proved that,其他再也没有地方用proved? 请问有it is proved that prove的一个用法是不是只能说A证明B 而不能说B被A证明?那么It has been proved that..是不 It proves that ...,还是it is proved that...? prove 的用法是什么,有没有be proved of 的用法. It has been proved that qats will. proved to be用法 it's believed that a man is innocent until proved guilty. It has been proved that his theory is practical 怎么变为 His the ______ was his advice that it proved to be worthless. It can be easily proved that 这个句型 【哪个对】为什么 It proves right.It is proved right.