concernir Imperfect Conjugation
concernir — to concern
The imperfect of concernir is regular: concernía, concernías, concernía, concerníamos, concerníais, concernían.
concernir Imperfect Forms
When to Use the Imperfect
Use the imperfect to describe ongoing past situations or matters that used to relate to someone over an indefinite period.
Notes on concernir in the Imperfect
Concernir is regular in the imperfect. All -ir verbs in the imperfect use the -ía endings with a mandatory accent on the 'í'.
Example Sentences
Antes, ese problema no nos concernía.
Before, that problem didn't concern us.
él/ella/usted
Las reglas concernían a todos los estudiantes por igual.
The rules concerned all students equally.
ellos/ellas/ustedes
Sentía que la situación me concernía profundamente.
I felt that the situation concerned me deeply.
yo
Common Mistakes
Mistake: Writing 'concernia' without the accent.
Correct: The correct form is concernía.
Why: All imperfect forms for -ir verbs require an accent on the 'i' to maintain the correct stress.
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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.
Preterite
yo: concerní
The preterite of concernir is mostly regular, but uses a third-person stem change: concerní, concerniste, concernió, concernimos, concernisteis, concernieron.
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.