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disminuir Present Subjunctive Conjugation

disminuir — to decrease

B1irregular -ir★★★★
Quick answer:

The present subjunctive follows the 'yo' form change, inserting a 'y': disminuya, disminuyas, disminuya, etc.

disminuir Present Subjunctive Forms

yodisminuya
túdisminuyas
él/ella/usteddisminuya
nosotrosdisminuyamos
vosotrosdisminuyáis
ellos/ellas/ustedesdisminuyan

When to Use the Present Subjunctive

Use this when expressing a wish, doubt, or requirement that something decrease (e.g., 'I want the pain to decrease').

Notes on disminuir in the Present Subjunctive

Because the 'yo' form is 'disminuyo', the entire subjunctive sequence uses the 'disminuy-' stem.

Example Sentences

  • Espero que disminuya el tráfico pronto.

    I hope the traffic decreases soon.

    él/ella/usted

  • Es necesario que nosotros disminuyamos el uso de plástico.

    It is necessary that we decrease the use of plastic.

    nosotros

Common Mistakes

  • Mistake: disminua

    Correct: disminuya

    Why: The subjunctive must maintain the 'y' from the present indicative 'yo' form.

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Related Tenses

Present

yo: disminuyo

Disminuir is irregular in the present tense, adding a 'y' before endings: disminuyo, disminuyes, disminuye, disminuyen.

Preterite

yo: disminuí

In the preterite, disminuir changes 'i' to 'y' in the third-person forms: disminuyó and disminuyeron.

Imperfect

yo: disminuía

Disminuir is regular in the imperfect: disminuía, disminuías, disminuía, disminuíamos, disminuíais, disminuían.

Future

yo: disminuiré

Disminuir is regular in the future: disminuiré, disminuirás, disminuirá, disminuiremos, disminuiréis, disminuirán.

Conditional

yo: disminuiría

The conditional of disminuir is regular: disminuiría, disminuirías, disminuiría, disminuiríamos, disminuiríais, disminuirían.

Imperfect Subjunctive

yo: disminuyera

The imperfect subjunctive uses the 'y' from the preterite: disminuyera, disminuyeras, disminuyera...

Affirmative Imperative

yo: disminuye

Give commands to reduce or decrease: disminuye (tú), disminuya (usted), disminuid (vosotros).

Negative Imperative

yo: no disminuyas

Negative commands use the present subjunctive: no disminuyas, no disminuya, no disminuyamos.