Conjugate savoir in the future tense in French (Le Futur Simple)

Written by Qualified French Expert Aurélie Drouard HKH, Licence d'anglais LLCE
Last updated: 2023-02-21
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The verb savoir in Le Futur Simple (Indicatif) has an irregular stem : saur-

Learn how to conjugate SAVOIR in Le Futur Simple (Indicatif) in French

je

saurai

tu

sauras

il / elle / on     

saura

nous

saurons  

vous

saurez

ils/elles

sauront

To conjugate the irregular verb savoir (to know) in Le Futur Simple (Indicatif), you use:

saur- + the following endings: -ai, -as, -a, -ons, -ez, -ont

Look at these examples:

Un jour, je saurai ce que tu me caches.One day, I'll know what you're hiding from me.

Ce jour-là, tu sauras la vérité.That day, you'll know the truth.

Bientôt, tout le monde saura ce que tu as fait.Soon, everybody will know what you've done.

Nous ne saurons jamais ce qui s'est vraiment passé.We'll never know what really happened.

Quand est-ce que vous saurez le verdict ?When will you know the verdict?

Les gens sauront s'unir quand il le faudra.People will know to unite when it is necessary.

Not to be confused with the root of être = ser- 
See Conjugate être in the future tense in French (Le Futur Simple)
 

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Examples and resources

Nous ne saurons jamais ce qui s'est vraiment passé.We'll never know what really happened.
Un jour, je saurai ce que tu me caches.One day, I'll know what you're hiding from me.
Ce jour-là, tu sauras la vérité.That day, you'll know the truth.
Bientôt, tout le monde saura ce que tu as fait.Soon, everybody will know what you've done.
Quand est-ce que vous saurez le verdict ?When will you know the verdict?
Les gens sauront s'unir quand il le faudra.People will know to unite when it is necessary.
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