-ir verb irregular · irregular C1 · Advanced

Conjugate intervenir in Spanish

to intervene

intervenir is an irregular -ir verb ranked #2248 among the most common Spanish verbs. For example: "La ONU intervino en el conflicto." (The UN intervened in the conflict.). Use the tables below for full conjugation across all 7 tenses.

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⚡ Irregular verb — intervenir (irregular) 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 intervengo *
intervienes *
él/ella/Ud. interviene *
nosotros intervenimos
vosotros intervenís
ellos/ellas/Uds. intervienen *
Example

Yo intervengo todos los días.

I intervene every day.

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

Pronoun Conjugation
yo intervine *
interviniste *
él/ella/Ud. intervino *
nosotros intervinimos *
vosotros intervinisteis *
ellos/ellas/Uds. intervinieron *
Example

La ONU intervino en el conflicto.

The UN intervened in the conflict.

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

Pronoun Conjugation
yo intervenía
intervenías
él/ella/Ud. intervenía
nosotros interveníamos
vosotros interveníais
ellos/ellas/Uds. intervenían
Example

Antes yo intervenía con frecuencia.

Before, I used to intervene often.

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

Pronoun Conjugation
yo intervendré *
intervendrás *
él/ella/Ud. intervendrá *
nosotros intervendremos *
vosotros intervendréis *
ellos/ellas/Uds. intervendrán *
Example

Mañana yo intervendré.

Tomorrow I will intervene.

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

Pronoun Conjugation
yo intervendría *
intervendrías *
él/ella/Ud. intervendría *
nosotros intervendríamos *
vosotros intervendríais *
ellos/ellas/Uds. intervendrían *
Example

Si pudiera, yo intervendría.

If I could, I would intervene.

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

Pronoun Conjugation
yo intervenga *
intervengas *
él/ella/Ud. intervenga *
nosotros intervengamos *
vosotros intervengáis *
ellos/ellas/Uds. intervengan *
Example

Espero que tú intervengas.

I hope that you intervene.

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

Pronoun Conjugation
yo -
intervén *
él/ella/Ud. intervenga *
nosotros intervengamos *
vosotros intervenid
ellos/ellas/Uds. intervengan *
Example

¡Intervén!

Intervene!

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Example sentences

Common phrases with intervenir

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