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French · Verb · #122 most common

mentir

to lie


Irregular3rd ending

In the tables below, the stem is shown in black and the ending in purple.

1.

Présent

Current actions, habits, and general truths.

jemens
tumens
il/ellement
nousmentons
vousmentez
ils/ellesmentent

Il ment toujours quand il est en colère.

He always lies when he is angry.

Nous mentons parfois pour protéger nos amis.

We sometimes lie to protect our friends.

2.

Passé Composé

Completed past actions with present relevance.

jeai menti
tuas menti
il/ellea menti
nousavons menti
vousavez menti
ils/ellesont menti

Elle a menti à propos de son âge.

She lied about her age.

Ils ont menti sur leurs intentions.

They lied about their intentions.

3.

Imparfait

Ongoing or habitual past actions, descriptions, and background.

jementais
tumentais
il/ellementait
nousmentions
vousmentiez
ils/ellesmentaient

Quand j'étais enfant, je mentais souvent.

When I was a child, I often lied.

Nous mentions pour éviter des problèmes.

We lied to avoid problems.

4.

Futur Simple

Future events, promises, and formal predictions.

jementirai
tumentiras
il/ellementira
nousmentirons
vousmentirez
ils/ellesmentiront

Tu mentiras si tu ne fais pas attention.

You will lie if you are not careful.

Ils mentiront pour se protéger.

They will lie to protect themselves.

5.

Conditionnel Présent

Hypothetical outcomes, polite requests, and reported future.

jementirais
tumentirais
il/ellementirait
nousmentirions
vousmentiriez
ils/ellesmentiraient

Je mentirais si cela pouvait aider.

I would lie if it could help.

Elle mentirait pour sauver son ami.

She would lie to save her friend.

6.

Subjonctif Présent

Doubt, desire, necessity, and emotion in subordinate clauses.

jemente
tumentes
il/ellemente
nousmentions
vousmentiez
ils/ellesmentent

Il faut que tu ne mentent pas.

It is necessary that you do not lie.

Je doute qu'ils mentent si souvent.

I doubt that they lie so often.

7.

Plus-que-parfait

Actions completed before another past action.

jeavais menti
tuavais menti
il/elleavait menti
nousavions menti
vousaviez menti
ils/ellesavaient menti

Avant de partir, elle avait menti à ses parents.

Before leaving, she had lied to her parents.

Nous avions menti pour éviter des ennuis.

We had lied to avoid trouble.

"mentir" in other languages

Related verbs

Common questions
Is "mentir" regular or irregular in French?
"mentir" is an irregular French verb. It does not follow the standard 3rd conjugation pattern and must be memorized.
How do you conjugate "mentir" in the present tense?
In the Présent, "mentir" conjugates as: mens, mens, mentons, and more. See the full table above.
What is the past tense of "mentir" in French?
In the Passé Composé, "mentir" conjugates as: ai menti, as menti, avons menti, and more. See the full table above.
How common is "mentir" in French?
"mentir" (to lie) is one of the most commonly used verbs in French.