was becoming, became
Et comme sa mère partait, on voulait voir ce qu'il devenait.
And since his mother was leaving, we wanted to see what became of him.
— Le Ruban blanc (2009)
Tôt ou tard, on devenait tels que Tyler nous voulait.
Sooner or later, we became what Tyler wanted us to be.
— Fight Club (1999)