I used to think

I used to think, "How can anyone be adored so much?"

Je me demandais : « Comment peut-on être autant adoré ? »

— Senna (2010)

I used to think that way too..

Moi aussi, je pensais comme ça.

— Rang De Basanti (2006)

I used to think so.

Avant, je le pensais aussi.

I used to think that too, and it didn't worry me.

Je le pensais aussi, et ça ne m’inquiétait pas.

— In the Mood for Love (2000)

I used to think doing this was hard.

Avant, je pensais que c'était difficile.

I used to think no one cared.

Avant, je pensais que personne ne se souciait de moi.

I used to think you were some sort of clown.

Je pensais que tu étais une sorte de clown.

— Kiki's Delivery Service (1989)

I used to think Tom was good-looking.

Avant, je trouvais Tom beau garçon.