concernir Present Subjunctive Conjugation
concernir — to concern
The present subjunctive of concernir features an e-to-ie stem change in most forms: concierna, conciernas, concierna, concernamos, concernáis, conciernan.
concernir Present Subjunctive Forms
When to Use the Present Subjunctive
Use this tense when expressing a wish, doubt, or necessity regarding something that relates to or affects someone, often after phrases like 'Es importante que...' or 'Dudo que...'.
Notes on concernir in the Present Subjunctive
Concernir is a stem-changing verb (e > ie). Note that the 'nosotros' and 'vosotros' forms maintain the original 'e' (concernamos, concernáis), while the others change.
Example Sentences
Espero que este asunto no te concierna a ti.
I hope this matter doesn't concern you.
él/ella/usted
Es importante que nos concernamos por el medio ambiente.
It is important that we concern ourselves with the environment.
nosotros
Dudo que estas leyes conciernan a los extranjeros.
I doubt these laws concern foreigners.
ellos/ellas/ustedes
Common Mistakes
Mistake: Using 'concierna' for the nosotros form.
Correct: The correct form is concernamos.
Why: Stem-changing -ir verbs do not take the 'ie' change in the nosotros or vosotros forms of the present subjunctive.
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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.
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.