ils mettront

will put, will place

→ mettre
mettr to put + ont they will (future tense)
verb · 3rd-person plural, future tense Rare #45,893
will put, will place In these expressions, mettre can also mean “put” someone or something into a particular state or situation.
FR: Ils mettront les livres sur la table.
EN: They will put the books on the table.
Conjugation of mettre
Indicative future
SingularPlural
First mettrai mettrons
Second mettras mettrez
Third mettra mettront

Tôt ou tard, ils vous mettront en pièces.

Sooner or later they will tear you to pieces.

Ils mettront quelques minutes à organiser les canots.

It will take them a few minutes to organize the canoes.

— Titanic (1997)

Ils te mettront en prison.

They will put you in prison.

— Mulholland Drive (2001)

Elles t'en mettront plein les oreilles.

They'll fill your ears.

S'il se réveille pas, les héritiers mettront la ferme aux enchères.

If he doesn't wake up, the heirs will put the farm up for auction.

— Jean de Florette (1986)