turned out to be
Son histoire se révéla être fausse.
His story turned out to be false.
Son nouveau mari se révéla être un salaud.
Her new husband turned out to be a bastard.
Trouver des caractères d’imprimerie se révéla plus difficile.
Finding printing type proved more difficult.
My instinct proved correct.
Sa supposition se révéla juste.
His guess turned out to be correct.