prove是系动词吗

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。