I thought I was
Je pensais être le seul à savoir cela.
I thought I was the only one who knew that.
J'ai fait ce que je pensais être juste.
I did what I thought was right.
L'homme que je pensais être mon ami m'a trompé.
The man I thought was my friend deceived me.
I thought I was your junior.
Je fus déçu par une personne que je pensais être un de mes amis.
I was disappointed by someone I thought was a friend of mine.
I thought I was alone here.
I thought I was invincible.
I thought I was being nice.
I thought I was your junior.