tu étais parti

you had left

→ tu
phrase Rare #32,468
you had left Past perfect form of partir. Often means someone was already gone before another past event.
FR: Quand je suis arrivé, tu étais parti.
EN: When I arrived, you had left.

J'ai cru que tu étais parti.

I thought you were gone.

Je croyais que tu étais parti.

I thought you left.

Mais tu étais parti du pays pendant tant d'années!

But you had been away from the country for so many years!

— No (2012)

Tu étais parti chercher une maison, non?

You went to look for a house, didn't you?

— Arrietty, le petit monde des chapardeurs (2010)

Je suis descendue et tu étais parti.

I went downstairs and you were gone.

Tu étais parti.

You were gone.

— Ip Man (2008)

J'ai cru que tu étais parti toi aussi.

I thought you left too.

— Akira (1988)

Quand je suis arrivée, tu étais parti.

When I arrived, you had already left.

— Cours, Lola, cours (1998)

Je pensais que tu étais parti.

I thought you were gone.