impedir Affirmative Imperative Conjugation
impedir — to prevent
Use 'impide' for tú and 'impida' for usted; remember the stem change.
impedir Affirmative Imperative Forms
When to Use the Affirmative Imperative
Use to give a direct command to stop or prevent something from happening immediately.
Notes on impedir in the Affirmative Imperative
The 'tú' form uses the present indicative 'impide'. The 'vosotros' form 'impedid' is regular.
Example Sentences
¡Impide que se escape el perro!
Prevent the dog from escaping!
tú
Impida el acceso a personal no autorizado, por favor.
Prevent access to unauthorized personnel, please.
usted
Common Mistakes
Mistake: Impidid (for vosotros).
Correct: Impedid.
Why: The affirmative vosotros command for -ir verbs is always the infinitive with 'd' instead of 'r', with no stem change.
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Related Tenses
Present
yo: impido
Impedir is an e>i stem-changing verb in all forms except nosotros and vosotros.
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-'.
Negative Imperative
yo: no impidas
The negative imperative uses the present subjunctive forms: no impidas, no impida, no impidamos.