I thought you were
Je pensais que tu étais plus âgée que moi.
I thought you were older than me.
Je pensais que tu étais un ami.
I thought you were a friend.
Je pensais que tu étais déjà mort.
I thought you were already dead.
Je pensais que tu étais sérieux.
I thought you were serious.
Je pensais que tu étais blessé.
I thought you were hurt.
Je pensais que tu étais chez Tom.
I thought you were at Tom’s place.
Je pensais que tu étais mon aîné.
I thought you were my elder.