prove为什么有时是用主动 有时用被动 比如It has been proven that.her action proves that.

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prove为什么有时是用主动 有时用被动 比如It has been proven that.her action proves that.

prove为什么有时是用主动 有时用被动 比如It has been proven that.her action proves that.
prove为什么有时是用主动 有时用被动 比如It has been proven that.her action proves that.

prove为什么有时是用主动 有时用被动 比如It has been proven that.her action proves that.
It has been proven that 指某件事被证明是客观真实的.例句:It's been proven that the answer is wrong.事实证明,答案是错误的.此处的It 是形式主语,指代that后面的东西.
Her action proves that 指她的行为证明了某件事的真假.此时prove作主动,应该不难理解.

基本上大部分动词都可以既做主动,又做被动。
做主动时表示 ···被证明了
做主动时表示····证明了···

prove表证明、证实,一般都是用主动,prove sth to sb, prove to be, sth/sb prove that···,但要注意用到it作形式主语时,it is proved that···是固用句型,表“结果是···证明是···”