concernir Negative Imperative Conjugation
concernir — to concern
The negative imperative uses the present subjunctive forms: no conciernas, no concierna, no concernamos, no concernáis, no conciernan.
concernir Negative Imperative Forms
When to Use the Negative Imperative
Use this to tell someone not to get involved in or be affected by a specific matter.
Notes on concernir in the Negative Imperative
It follows the same e > ie stem change rules as the present subjunctive (affecting all forms except nosotros and vosotros).
Example Sentences
No te conciernas por cosas que no puedes cambiar.
Don't concern yourself with things you cannot change.
tú
No nos concernamos por minucias.
Let's not concern ourselves with trifles.
nosotros
Common Mistakes
Mistake: Saying 'no conciernes' for a command.
Correct: The correct form is no conciernas.
Why: Negative commands must use the subjunctive mood endings.
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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.
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).