Inklingo
A person in a bright yellow vest stepping between two people who are arguing to calm them down.

intervenir

to intervene

Complete conjugation tables and interactive practice exercises. This is an irregular -ir verb.

The Spanish verb intervenir means to intervene.

Present tense:

yointervengo
intervienes
él/ella/ustedinterviene
nosotrosintervenimos
vosotrosintervenís
ellos/ellas/ustedesintervienen

Complete Conjugation Tables

Reference all tenses and moods

🔄 Conjugations

subjunctive

imperfect

ellos/ellas/ustedesintervinieran
yointerviniera
intervinieras
vosotrosintervinierais
nosotrosinterviniéramos
él/ella/ustedinterviniera

The imperfect subjunctive uses the irregular stem 'intervinier-' for all forms.

Forms, examples & usage →

present

ellos/ellas/ustedesintervengan
yointervenga
intervengas
vosotrosintervengáis
nosotrosintervengamos
él/ella/ustedintervenga

Intervenir is irregular in the present subjunctive, using the stem 'interveng-' for all persons.

Forms, examples & usage →

imperative

negative

no intervengas
vosotrosno intervengáis
ustedesno intervengan
nosotrosno intervengamos
ustedno intervenga

The negative imperative always uses the present subjunctive forms with 'no'.

Forms, examples & usage →

affirmative

intervén
vosotrosintervenid
ustedesintervengan
nosotrosintervengamos
ustedintervenga

The imperative uses the short form 'intervén' for the informal 'tú' command.

Forms, examples & usage →

indicative

conditional

ellos/ellas/ustedesintervendrían
yointervendría
intervendrías
vosotrosintervendríais
nosotrosintervendríamos
él/ella/ustedintervendría

The conditional uses the irregular stem 'intervendr-' followed by regular -ía endings.

Forms, examples & usage →

preterite

ellos/ellas/ustedesintervinieron
yointervine
interviniste
vosotrosintervinisteis
nosotrosintervinimos
él/ella/ustedintervino

Intervenir is highly irregular in the preterite, following the 'u-stem' pattern (intervin-).

Forms, examples & usage →

imperfect

ellos/ellas/ustedesintervenían
yointervenía
intervenías
vosotrosinterveníais
nosotrosinterveníamos
él/ella/ustedintervenía

The imperfect of intervenir is regular: intervenía, intervenías, intervenía...

Forms, examples & usage →

present

ellos/ellas/ustedesintervienen
yointervengo
intervienes
vosotrosintervenís
nosotrosintervenimos
él/ella/ustedinterviene

Intervenir is irregular in the present, featuring a 'g' in the 'yo' form and an 'ie' stem change in others.

Forms, examples & usage →

future

ellos/ellas/ustedesintervendrán
yointervendré
intervendrás
vosotrosintervendréis
nosotrosintervendremos
él/ella/ustedintervendrá

The future tense of intervenir uses the irregular stem 'intervendr-'.

Forms, examples & usage →

Practice Conjugations

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Take intervenir from tables to real Spanish

Conjugation tables are the start. Read 200+ illustrated and narrated Spanish stories to see 'intervenir' in action across real sentences — and build the instinct that native speakers have.