to happen to you
Qu'est-ce qui peut t'arriver ?
What could happen to you?
Tout ce qui doit t'arriver t'arrive.
Whatever is meant to happen to you, happens to you.
Qu'est-ce qui a bien pu t'arriver ?
What could have happened to you?
What's going to happen to you?
Il aurait pu t'arriver quelque chose.
Something could have happened to you.
— Des étoiles sur la terre (2007)
Il a dû t'arriver quelque chose.
Something must have happened to you.
— Trois couleurs : Bleu (1993)