sia divertito alla festa

had fun at the party

→ essere
phrase Rare #22,464
had fun at the party Usually used in a clause expressing hope, doubt, or another attitude; the full phrase is “si sia divertito alla festa.” The examples use the indicative form “si è divertita,” referring to a woman.
IT: Spero che Luca si sia divertito alla festa.
EN: I hope Luca had fun at the party.