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concernir

to concern

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

The Spanish verb concernir means to concern.

Present tense:

yoconcierno
conciernes
él/ella/ustedconcierne
nosotrosconcernimos
vosotrosconcernís
ellos/ellas/ustedesconciernen

Complete Conjugation Tables

Reference all tenses and moods

🔄 Conjugations

subjunctive

imperfect

ellos/ellas/ustedesconcernieran
yoconcerniera
concernieras
vosotrosconcernierais
nosotrosconcerniéramos
él/ella/ustedconcerniera

The imperfect subjunctive uses the 'concernie-' stem: concerniera, concernieras, concerniera, concerniéramos, concernierais, concernieran.

Forms, examples & usage →

present

ellos/ellas/ustedesconciernan
yoconcierna
conciernas
vosotrosconcernáis
nosotrosconcernamos
él/ella/ustedconcierna

The present subjunctive of concernir features an e-to-ie stem change in most forms: concierna, conciernas, concierna, concernamos, concernáis, conciernan.

Forms, examples & usage →

imperative

negative

no conciernas
vosotrosno concernáis
ustedesno conciernan
nosotrosno concernamos
ustedno concierna

The negative imperative uses the present subjunctive forms: no conciernas, no concierna, no concernamos, no concernáis, no conciernan.

Forms, examples & usage →

affirmative

concierne
vosotrosconcernid
ustedesconciernan
nosotrosconcernamos
ustedconcierna

The imperative of concernir is rarely used but follows the stem change: concierne (tú), concernid (vosotros), concierna (usted).

Forms, examples & usage →

indicative

conditional

ellos/ellas/ustedesconcernirían
yoconcerniría
concernirías
vosotrosconcerniríais
nosotrosconcerniríamos
él/ella/ustedconcerniría

The conditional of concernir is regular: concerniría, concernirías, concerniría, concerniríamos, concerniríais, concernirían.

Forms, examples & usage →

preterite

ellos/ellas/ustedesconcernieron
yoconcerní
concerniste
vosotrosconcernisteis
nosotrosconcernimos
él/ella/ustedconcernió

The preterite of concernir is mostly regular, but uses a third-person stem change: concerní, concerniste, concernió, concernimos, concernisteis, concernieron.

Forms, examples & usage →

imperfect

ellos/ellas/ustedesconcernían
yoconcernía
concernías
vosotrosconcerníais
nosotrosconcerníamos
él/ella/ustedconcernía

The imperfect of concernir is regular: concernía, concernías, concernía, concerníamos, concerníais, concernían.

Forms, examples & usage →

present

ellos/ellas/ustedesconciernen
yoconcierno
conciernes
vosotrosconcernís
nosotrosconcernimos
él/ella/ustedconcierne

The present indicative features an e-to-ie stem change: concierno, conciernes, concierne, concernimos, concernís, conciernen.

Forms, examples & usage →

future

ellos/ellas/ustedesconcernirán
yoconcerniré
concernirás
vosotrosconcerniréis
nosotrosconcerniremos
él/ella/ustedconcernirá

The future tense of concernir is regular: concerniré, concernirás, concernirá, concerniremos, concerniréis, concernirán.

Forms, examples & usage →

Practice Conjugations

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Take concernir from tables to real Spanish

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