-ir verb irregular · stem-changing e>ie A2 · Elementary

Conjugate mentir in Spanish

to lie

mentir is an irregular -ir verb ranked #200 among the most common Spanish verbs. For example: "Yo miento todos los días." (I lie every day.). Use the tables below for full conjugation across all 7 tenses.

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⚡ Irregular verb — mentir (stem-changing e>ie) does not follow standard -ir patterns. Pay close attention to the stems in each tense.

Describes current actions, habits, and general truths. The most frequently used tense — master it first.

Pronoun Conjugation
yo miento *
mientes *
él/ella/Ud. miente *
nosotros mentimos
vosotros mentís
ellos/ellas/Uds. mienten *
Example

Yo miento todos los días.

I lie every day.

Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.

Pronoun Conjugation
yo mentí
mentiste
él/ella/Ud. mintió *
nosotros mentimos
vosotros mentisteis
ellos/ellas/Uds. mintieron *
Example

Nosotros mentimos juntos.

We lie together.

Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.

Pronoun Conjugation
yo mentía
mentías
él/ella/Ud. mentía
nosotros mentíamos
vosotros mentíais
ellos/ellas/Uds. mentían
Example

Antes yo mentía con frecuencia.

Before, I used to lie often.

Describes future events and predictions. In everyday speech, ir a + infinitive is often preferred for planned events.

Pronoun Conjugation
yo mentiré
mentirás
él/ella/Ud. mentirá
nosotros mentiremos
vosotros mentiréis
ellos/ellas/Uds. mentirán
Example

Mañana yo mentiré.

Tomorrow I will lie.

Expresses what would happen under certain conditions — equivalent to "would" in English. Also used for polite requests.

Pronoun Conjugation
yo mentiría
mentirías
él/ella/Ud. mentiría
nosotros mentiríamos
vosotros mentiríais
ellos/ellas/Uds. mentirían
Example

Si pudiera, yo mentiría.

If I could, I would lie.

Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.

Pronoun Conjugation
yo mienta *
mientas *
él/ella/Ud. mienta *
nosotros mintamos *
vosotros mintáis *
ellos/ellas/Uds. mientan *
Example

Quiero que tú mientas más.

I want you to lie more.

Used to give commands and direct requests. Affirmative and negative forms differ significantly in Spanish.

Pronoun Conjugation
yo -
mente
él/ella/Ud. menta
nosotros mentamos
vosotros mentid
ellos/ellas/Uds. mentan
Example

¡Mente!

Lie!

Test yourself

Type the correct conjugation for each prompt.

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Example sentences

Common phrases with mentir

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