prove既可作行为动词，又可作系动词。prove作＂证明是；结果是；事实说明＂解时，用作连系动词，可用于以下句型：prove+形容词，The handbook proved most useful。这本手册证明很有用。
用作动词(v.)
prove to(v.+prep.)
prove up(v.+adv.)
1.I have to prove myself as a respectable,balanced,person.
我必须证明自己是个正派、稳重的人。
they prove ineffective they should be demoted or asked to retire.
如果事实证明他们已无力胜任，应该将他们降级或让他们退休。
e is the strong possibility that such cooperation will prove unworkable.
这种合作很有可能会行不通。
must prove they own?250,000 of realisable assets.
他们必须证明拥有25万英镑的可变现财产。