oscurecer Future Conjugation
oscurecer — to get dark
Oscurecer is regular in the future: oscureceré, oscurecerás, oscurecerá, oscureceremos, oscureceréis, oscurecerán.
oscurecer Future Forms
When to Use the Future
Use the future to predict when night will fall or to state that something will become darker, like paint or a tan.
Notes on oscurecer in the Future
The future tense uses the full infinitive (oscurecer) as the stem, then adds the standard endings.
Example Sentences
Pronto oscurecerá y tendremos que volver.
It will get dark soon and we will have to return.
él/ella/usted
Si mezclas esos colores, se oscurecerán demasiado.
If you mix those colors, they will darken too much.
ellos/ellas/ustedes
Oscureceré la salsa con un poco de café.
I will darken the sauce with a bit of coffee.
yo
Common Mistakes
Mistake: oscurezcerá
Correct: oscurecerá
Why: Learners often try to put the 'z' from the present tense into the future, but the future stem is just the infinitive.
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Related Tenses
Present
yo: oscurezco
Oscurecer follows the -cer/-cir pattern: the 'yo' form is oscurezco, while other forms are regular.
Preterite
yo: oscurecí
Oscurecer is completely regular in the preterite: oscurecí, oscureciste, oscureció, oscurecimos, oscurecisteis, oscurecieron.
Imperfect
yo: oscurecía
Oscurecer is regular in the imperfect: oscurecía, oscurecías, oscurecía, oscurecíamos, oscurecíais, oscurecían.
Conditional
yo: oscurecería
Oscurecer is regular in the conditional: oscurecería, oscurecerías, oscurecería, oscureceríamos, oscureceríais, oscurecerían.
Present Subjunctive
yo: oscurezca
The present subjunctive uses the 'zc' stem for all forms: oscurezca, oscurezcas, oscurezca, oscurezcamos, oscurezcáis, oscurezcan.
Imperfect Subjunctive
yo: oscureciera
Oscurecer is regular in the imperfect subjunctive, using the 'ra' or 'se' forms: oscureciera, oscurecieras, etc.
Affirmative Imperative
yo: oscurece
The imperative uses 'oscurece' (tú) and 'oscurezca' (usted/ustedes).
Negative Imperative
yo: no oscurezcas
The negative imperative always uses the present subjunctive forms with 'no'.