tu as décidé de

you decided to

→ tu
phrase Rare #31,139
you decided to Informal singular form. Used before an infinitive to say that someone has decided to do something; depending on context, it can also mean “you have decided to.”
FR: Tu as décidé de rester avec nous.
EN: You decided to stay with us.

Maintenant que tu as décidé de quitter ton emploi, tu as l'air heureux.

Now that you've decided to quit your job, you look happy.

Tu as décidé de nous tuer, ce soir?

Have you decided to kill us tonight?

— La grande bellezza (2013)

Tu ne m'as toujours pas dit pourquoi tu as décidé de ne pas partir.

You still haven't told me why you decided not to leave.

Autrement dit, tu as décidé de laisser les apôtres à gauche?

In other words, you've decided to leave the apostles on the left?

— Andreï Roublev (1966)

Tu as décidé de vouloir Ara rien que pour toi?

Have you decided you want Ara all to yourself?

— Aucun autre choix (2025)

Tu as décidé de divorcer, toi?

Have *you* decided to get a divorce?

— Les Diaboliques (1955)

Maintenant que tu as décidé de quitter ton emploi, tu as l'air heureuse.

Now that you've decided to quit your job, you look happy.

Tu as décidé de me troubler totalement!

You've decided to completely confuse me!

— Le Sacrifice (1986)