Doctor

Est‑ce que tu vendras ta voiture ?
To talk about the future with most ‑re verbs (like vendre or attendre) drop the ‑e and use the future endings we saw earlier:
subjectverb (vendre)
je
I
vendrai
will sell
tu
you
vendras
will sell
il / elle
he / she
vendra
will sell
nous
we
vendrons
will sell
vous
you all
vendrez
will sell
ils / elles
they
vendront
will sell
Elles vendront leur maison.
They will sell their house.