Inklingo
A large boulder sitting in the middle of a narrow dirt path, completely stopping any movement forward.

obstruir Negative Imperative Conjugation

obstruir — to block

B1irregular -ir★★★
Quick answer:

All negative commands use the present subjunctive: no obstruyas, no obstruya, no obstruyamos...

obstruir Negative Imperative Forms

túno obstruyas
ustedno obstruya
nosotrosno obstruyamos
vosotrosno obstruyáis
ustedesno obstruyan

When to Use the Negative Imperative

Use this to tell someone NOT to block something, like a fire exit or a view.

Notes on obstruir in the Negative Imperative

Every form requires the 'y' spelling change (e.g., no obstruyas).

Example Sentences

  • No obstruyas la salida de emergencia.

    Don't block the emergency exit.

    tú

  • Por favor, no obstruyan el pasillo.

    Please, don't block the hallway.

    ustedes

  • No obstruyamos el paso a los demás.

    Let's not block the way for others.

    nosotros

Common Mistakes

  • Mistake: no obstruye

    Correct: no obstruyas

    Why: Negative commands must use the subjunctive form, not the indicative 'tú' form.

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Related Tenses

Present

yo: obstruyo

Obstruir adds a 'y' in most forms: obstruyo, obstruyes, obstruye, obstruyen (but not nosotros/vosotros).

Preterite

yo: obstruí

Obstruir is irregular in the 3rd person (él/ellos), changing 'i' to 'y': obstruyó, obstruyeron.

Imperfect

yo: obstruía

Obstruir is regular in the imperfect: obstruía, obstruías, obstruía, obstruíamos, obstruíais, obstruían.

Future

yo: obstruiré

Obstruir is regular in the future: obstruiré, obstruirás, obstruirá, obstruiremos, obstruiréis, obstruirán.

Conditional

yo: obstruiría

Obstruir is regular in the conditional: obstruiría, obstruirías, obstruiría, obstruiríamos, obstruiríais, obstruirían.

Present Subjunctive

yo: obstruya

Obstruir adds a 'y' before the endings in all forms: obstruya, obstruyas, obstruya, obstruyamos, obstruyáis, obstruyan.

Imperfect Subjunctive

yo: obstruyera

Based on the 3rd person preterite, it uses the 'y' stem: obstruyera, obstruyeras, obstruyera...

Affirmative Imperative

yo: obstruye

Give commands using the 'y' forms: obstruye (tú), obstruya (usted), obstruyan (ustedes).