impedir Future Conjugation
impedir — to prevent
Impedir is regular in the future: just add the endings to the full infinitive.
impedir Future Forms
When to Use the Future
Use the future to predict obstacles or state that something will be blocked later on.
Notes on impedir in the Future
Impedir is completely regular in the future tense. No stem changes occur here.
Example Sentences
Nada impedirá nuestro éxito.
Nothing will prevent our success.
él/ella/usted
Las obras impedirán el tráfico mañana.
The construction work will prevent traffic tomorrow.
ellos/ellas/ustedes
Si no estudias, eso impedirá que apruebes.
If you don't study, that will prevent you from passing.
él/ella/usted
Common Mistakes
Mistake: Impidiré.
Correct: Impediré.
Why: Learners often try to carry the stem change from the present into the future, but the future uses the full infinitive 'impedir'.
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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.
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.