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had proven

  • past perfect
    of prove.
    prove
    verb (used with object)
    to establish the truth or genuineness of, as by evidence or argument.

Example Sentences

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Against Portugal in the previous round, 30-year-old midfielder Mikel Merino had proven himself as the joker in La Roja’s pack by scoring the winner in stoppage time.

From The Wall Street Journal Jul. 10, 2026

BP’s investment in Princeton had proven an enormous success.

From Salon Jun. 26, 2026

He said jurors must be satisfied that the prosecution had proven the case against Sir Jeffrey beyond reasonable doubt before they could convict.

From BBC Jun. 18, 2026

Asif Durrani, a former Pakistani ambassador to Tehran, said Pakistan had proven its importance with the talks, even if the first round did not lead to a deal.

From Barron's Apr. 14, 2026

Mom guffawed, as if Henry’s statement had proven her point.

From "If I Stay" by Gayle Forman