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A large red sphere is actively being compressed by two simple, stylized hands, resulting in a significantly smaller red sphere.

reducir Present Conjugation

reducir — reduce

B1irregular (follows the '-ducir' pattern, like 'conducir') -ir★★★★★
Quick answer:

Reducir is irregular only in the 'yo' form, which ends in -zco (reduzco).

reducir Present Forms

yoreduzco
túreduces
él/ella/ustedreduce
nosotrosreducimos
vosotrosreducís
ellos/ellas/ustedesreducen

When to Use the Present

Use the present tense to discuss current habits, general facts, or ongoing efforts to decrease something.

Notes on reducir in the Present

The verb is mostly regular except for the 'yo' form. To keep the soft sound, the 'c' becomes 'zc' before the 'o'.

Example Sentences

  • Yo reduzco mi velocidad cuando llueve.

    I reduce my speed when it rains.

    yo

  • Esta máquina reduce el ruido significativamente.

    This machine reduces the noise significantly.

    él/ella/usted

  • Nosotros reducimos los residuos en casa.

    We reduce waste at home.

    nosotros

Common Mistakes

  • Mistake: Saying 'reduco' for the 'yo' form.

    Correct: The correct form is reduzco.

    Why: Verbs ending in -cer or -cir often add a 'z' before the 'c' in the first-person present.

Master Spanish verbs in context

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Related Tenses

Preterite

yo: reduje

The preterite of reducir is irregular, using a 'j' stem: reduje, redujiste, redujo, redujimos, redujisteis, redujeron.

Imperfect

yo: reducía

Reducir is regular in the imperfect: reducía, reducías, reducía, reducíamos, reducíais, reducían.

Future

yo: reduciré

Reducir is regular in the future tense: reduciré, reducirás, reducirá, reduciremos, reduciréis, reducirán.

Conditional

yo: reduciría

Reducir is regular in the conditional: reduciría, reducirías, reduciría, reduciríamos, reduciríais, reducirían.

Present Subjunctive

yo: reduzca

The present subjunctive uses the 'zc' stem from the yo-form: reduzca, reduzcas, reduzca, reduzcamos, reduzcáis, reduzcan.

Imperfect Subjunctive

yo: redujera

The imperfect subjunctive uses the 'j' stem from the preterite: redujera, redujeras, redujera, redujéramos, redujerais, redujeran.

Affirmative Imperative

yo: reduce

The imperative uses 'reduce' for tú and 'reduzca' for formal commands.

Negative Imperative

yo: no reduzcas

The negative imperative always uses the 'zc' stem: no reduzcas, no reduzca, no reduzcamos, no reduzcáis, no reduzcan.