occupied, was occupying, used to occupy
Je t'ai dit que je m'en occupais.
I told you I'd take care of it.
J'ai dit que je m'en occupais.
I said I'd take care of it.
Tout le monde souffrait, mais je ne m'occupais que de moi.
Everyone was suffering, but I only cared about myself.
— The Garden of Sinners, film 5 : Spirale contradictoire (2008)