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ha dimostrato che

has shown that

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phrase Rare #42,507
has shown that The examples include different subjects and tenses; the phrase means “has shown that” when used with “ha.”
IT: Ha dimostrato che aveva ragione.
EN: She has shown that she was right.

Geeta ha dimostrato che non accetterà una sconfitta tanto facilmente.

Geeta has shown that she will not accept defeat so easily.

— Dangal (2016)