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Qingqing Posted 21 years ago
Grammar

Prove to be or be proved to be

We can say "The theory proved (to be) true". Can we say "Sth. is proved to be+adj."?
Thanks.
  

Top answer

We can say "The theory proved (to be) true". Can we say "Sth. "?

  • We can say "The theory proved (to be) true".
  • Can we say "Sth.
  • "?
  • JT: Yes to the second.
  • Googled, I got the following: Results 1 - 10 of about 73,200 English pages for "is proved to be".
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3 Answers
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We can say "The theory proved (to be) true". Can we say "Sth. is proved to be+adj."?


JT: Yes to the second.

Googled, I got the following:

Results 1 - 10 of about 73,200 English pages for "is proved to be".

Go check some of the examples for yourself, Qingqing.
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Then, what's the difference between "sth. proves to be true" and "sth.is proved to be true"?
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'Prove to be' = turn out to be
'Be proved to be' = be tested and the truth (of) established (by agent)

That's how I see it-- the active verb is idiomatic.

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