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Wangqh2696122 Posted 15 years ago
Grammar

"prove" vs "is proven"

In what cases should we use "prove + adj." and in what cases should we use "is proven + adj."?
  

Top answer

prove + adj. com, it means 'to turn out especially after trial or test <the new drug proved effective>'. be proved or be proven + adj.

— CalifJim

  • prove + adj.
  • com, it means 'to turn out especially after trial or test <the new drug proved effective>'.
  • be proved or be proven + adj.
  • com has this entry: 'to demonstrate as having a particular quality or worth <the vaccine has been proven effective after years of tests>' You may have to post something more specific, because other than what I gave you above, I'm not sure what you are looking for.
  • CJ
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2 Answers
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prove + adj. is intransitive, and according to m-w.com, it means 'to turn out especially after trial or test <the new drug proved effective>'.

be proved or be proven + adj. is the passive of the transitive prove, and m-w.com has this entry: 'to demonstrate as having a particular quality or worth <the vaccine has been proven effective after years of te
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_____ on many patients and ____ very effective, the medicine will be mass produced.

A. Having been tested; proved

B. Tested; proved

C. Tested; proving
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