happen to him
C'est ce qui pouvait lui arriver de mieux.
It was the best thing that could have happened to him.
— Fight Club (1999)
Quelque chose aurait pu lui arriver.
Something could have happened to him.
J'ai su que malgré tous mes efforts, il pourrait lui arriver quelque chose.
I knew that despite all my efforts, something might happen to him.
— Ne le dis à personne (2006)
Qu'est-ce qui a pu lui arriver ?
What could have happened to him?
Je ne sais pas ce qui aurait pu lui arriver.
I don't know what could have happened to him.
Quelque chose a dû lui arriver.
Something must have happened to him.
Il a pu lui arriver quelque chose.
Something could have happened to him.