tu courais

you were running

→ tu
phrase Rare #39,842
you were running Imperfect form of courir used for an action in progress in the past, or for repeated/habitual past action.
FR: Quand je suis arrivé, tu courais déjà dans le parc.
EN: When I arrived, you were already running in the park.

Tu courais comme une folle.

You were running like a madwoman.

— Mon cœur est déjà pris (1999)

Tu courais toujours après elle.

You were always chasing after her.

— Memories of Murder (2003)

C'est la fille après laquelle tu courais ce soir-là?

Is that the girl you were chasing that evening?

— Ouvre les yeux (1997)

Tu courais tout le temps après elle.

You were always running after her.

— Memories of Murder (2003)

Tu courais comme s'il t'arrivait un truc.

You were running as if something had happened to you.

— Trois couleurs : Bleu (1993)