Inklingo
A bright red ball is rolling quickly but is completely blocked and stopped by a large, solid gray wall.

impedir Present Conjugation

impedir — to prevent

B1irregular (stem change e>i) -ir★★★★
Quick answer:

Impedir is an e>i stem-changing verb in all forms except nosotros and vosotros.

impedir Present Forms

yoimpido
túimpides
él/ella/ustedimpide
nosotrosimpedimos
vosotrosimpedís
ellos/ellas/ustedesimpiden

When to Use the Present

Use the present tense to talk about current obstacles, rules that prevent certain behaviors, or general facts about what stops an action.

Notes on impedir in the Present

The 'e' in the stem changes to 'i' in all forms except for the 'we' (nosotros) and 'you all' (vosotros) forms.

Example Sentences

  • Mi horario de trabajo me impide ir al gimnasio.

    My work schedule prevents me from going to the gym.

    él/ella/usted

  • Nosotros impedimos el paso por seguridad.

    We prevent passage for safety.

    nosotros

  • Las leyes impiden que los menores compren alcohol.

    Laws prevent minors from buying alcohol.

    ellos/ellas/ustedes

Common Mistakes

  • Mistake: Yo impedo.

    Correct: Yo impido.

    Why: The stem change e>i applies to the 'yo' form in the present tense.

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Related Tenses

Preterite

yo: impedí

Impedir is irregular in the preterite, changing the 'e' to 'i' in the third-person forms: impidió and impidieron.

Imperfect

yo: impedía

Impedir is regular in the imperfect: impedía, impedías, impedía, impedíamos, impedíais, impedían.

Future

yo: impediré

Impedir is regular in the future: just add the endings to the full infinitive.

Conditional

yo: impediría

The conditional of impedir is regular: impediría, impedirías, impediría, impediríamos, impediríais, impedirían.

Present Subjunctive

yo: impida

Impedir changes 'e' to 'i' in all forms of the present subjunctive, including nosotros and vosotros.

Imperfect Subjunctive

yo: impidiera

Based on the 'ellos' preterite, the stem is 'impidier-'.

Affirmative Imperative

yo: impide

Use 'impide' for tú and 'impida' for usted; remember the stem change.

Negative Imperative

yo: no impidas

The negative imperative uses the present subjunctive forms: no impidas, no impida, no impidamos.