acontecer Negative Imperative Conjugation
acontecer — to happen
The negative imperative uses the present subjunctive forms: no acontezcas, no acontezca.
acontecer Negative Imperative Forms
When to Use the Negative Imperative
Used to command that something should not happen. Like the affirmative imperative, this is very rare and used mostly in literary contexts.
Notes on acontecer in the Negative Imperative
Uses the 'zc' stem throughout all forms (acontezca, acontezcas, etc.).
Example Sentences
No acontezca tal desgracia.
Let such a misfortune not happen.
No acontezcan más errores.
Let no more errors happen.
Common Mistakes
Mistake: no acontece
Correct: no acontezca
Why: Negative commands must always use the subjunctive forms, never the indicative.
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Related Tenses
Present
yo: acontezco
The present indicative features a 'c' to 'zc' change only in the 'yo' form: acontezco.
Preterite
yo: acontecí
The preterite of acontecer describes a specific event that took place: acontecí, aconteciste, aconteció.
Imperfect
yo: acontecía
The imperfect of acontecer is regular: acontecía, acontecías, acontecía.
Future
yo: aconteceré
The future tense is regular: aconteceré, acontecerás, acontecerá.
Conditional
yo: acontecería
The conditional is regular: acontecería, acontecerías, acontecería.
Present Subjunctive
yo: acontezca
The present subjunctive of acontecer uses the stem acontezc- to handle the 'c' to 'zc' change.
Imperfect Subjunctive
yo: aconteciera
The imperfect subjunctive uses the stem acontecie- followed by endings like -ra or -se.
Affirmative Imperative
yo: acontece
The imperative of acontecer is rarely used, but follows the 'c' to 'zc' change in formal commands.