concernir Imperfect Subjunctive Conjugation
concernir — to concern
The imperfect subjunctive uses the 'concernie-' stem: concerniera, concernieras, concerniera, concerniéramos, concernierais, concernieran.
concernir Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use this for hypothetical situations or past requests regarding what affected or concerned someone, especially in 'if' clauses or after past-tense triggers of emotion.
Notes on concernir in the Imperfect Subjunctive
This tense is formed using the third-person plural preterite base (concernieron), resulting in the 'ie' appearing before the endings for all persons.
Example Sentences
Si el problema me concerniera, yo diría algo.
If the problem concerned me, I would say something.
yo
Me gustaría que el informe concerniera a todos los departamentos.
I would like the report to concern all departments.
él/ella/usted
No creía que las noticias nos concernieran.
I didn't think the news concerned us.
ellos/ellas/ustedes
Common Mistakes
Mistake: Using 'concernara' instead of 'concerniera'.
Correct: The correct form is concerniera.
Why: Concernir is an -ir verb, so it must use the -iera endings, not the -ara endings typical of -ar verbs.
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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.
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.
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.