j'avais complètement oublié

I had completely forgotten

→ je
phrase Rare #42,799
I had completely forgotten Used to say that something had entirely slipped your mind before another past moment or event. It can also stand alone as a complete statement.
FR: J'avais complètement oublié que tu venais ce soir.
EN: I had completely forgotten that you were coming tonight.

J'avais complètement oublié comment jouer.

I had completely forgotten how to play.

— L'Ultime Héritier (2026)

J'avais complètement oublié à quel point tu es bon au golf.

I had completely forgotten how good you are at golf.

J'avais complètement oublié.

I had completely forgotten.

— Oppenheimer (2023)

J'avais complètement oublié ce petit camarade.

I had completely forgotten about this little fellow.

— Nausicaä de la vallée du vent (1984)