had happened
Nessuno voleva ammettere la verità su quello che era successo.
No one wanted to admit the truth about what had happened.
Se lasciava una bottiglia a metà, era successo qualcosa di serio.
If he left a bottle half-finished, something serious had happened.
— Central do Brasil (1998)
Loro dissero che era successo qualcosa di terribile a Mary.
They said something terrible had happened to Mary.
Quindi pensai di capire cosa le era successo, prendendo la sua mano.
So I thought I'd find out what had happened to her by taking her hand.
— पीके (2014)