concernir Preterite Conjugation
concernir — to concern
The preterite of concernir is mostly regular, but uses a third-person stem change: concerní, concerniste, concernió, concernimos, concernisteis, concernieron.
concernir Preterite Forms
When to Use the Preterite
Use the preterite to state that something affected or pertained to someone at a specific, completed point in time.
Notes on concernir in the Preterite
In the preterite, concernir follows the pattern of -ir verbs that change 'e' to 'i' in the third person (él/ellos), though because it is often used impersonally, 'concernió' and 'concernieron' are most common.
Example Sentences
Esa decisión concernió a toda la familia.
That decision concerned the whole family.
él/ella/usted
Los cambios concernieron únicamente a los empleados nuevos.
The changes concerned only the new employees.
ellos/ellas/ustedes
Me concerní por el resultado del examen.
I concerned myself with the exam result.
yo
Common Mistakes
Mistake: Using 'concerneó' for the third person.
Correct: The correct form is concernió.
Why: Standard -ir verb endings in the preterite for the third person singular is -ió.
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Related Tenses
Present
yo: concierno
The present indicative features an e-to-ie stem change: concierno, conciernes, concierne, concernimos, concernís, conciernen.
Imperfect
yo: concernía
The imperfect of concernir is regular: concernía, concernías, concernía, concerníamos, concerníais, concernían.
Future
yo: concerniré
The future tense of concernir is regular: concerniré, concernirás, concernirá, concerniremos, concerniréis, concernirán.
Conditional
yo: concerniría
The conditional of concernir is regular: concerniría, concernirías, concerniría, concerniríamos, concerniríais, concernirían.
Present Subjunctive
yo: concierna
The present subjunctive of concernir features an e-to-ie stem change in most forms: concierna, conciernas, concierna, concernamos, concernáis, conciernan.
Imperfect Subjunctive
yo: concerniera
The imperfect subjunctive uses the 'concernie-' stem: concerniera, concernieras, concerniera, concerniéramos, concernierais, concernieran.
Affirmative Imperative
yo: concierne
The imperative of concernir is rarely used but follows the stem change: concierne (tú), concernid (vosotros), concierna (usted).
Negative Imperative
yo: no conciernas
The negative imperative uses the present subjunctive forms: no conciernas, no concierna, no concernamos, no concernáis, no conciernan.