interferir Conditional Conjugation
interferir — to interfere
The conditional of interferir is regular: interferiría, interferirías, etc.
interferir Conditional Forms
When to Use the Conditional
Use the conditional to talk about what 'would' interfere in a hypothetical situation or to express polite concern.
Notes on interferir in the Conditional
Like the future, the conditional uses the full infinitive 'interferir' as its stem and is completely regular.
Example Sentences
Yo no interferiría si fuera tú.
I wouldn't interfere if I were you.
yo
¿Interferiría esto con el horario de los niños?
Would this interfere with the children's schedule?
él/ella/usted
Common Mistakes
Mistake: interfiriendoía
Correct: interferiría
Why: Always start with the infinitive for the conditional; do not use the gerund or other stems.
Master Spanish verbs in context
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Related Tenses
Present
yo: interfiero
Interferir is a stem-changing verb in the present tense (e -> ie), except for nosotros and vosotros.
Preterite
yo: interferí
Interferir has a third-person stem change (e -> i) in the preterite: interfirió and interfirieron.
Imperfect
yo: interfería
Interferir is completely regular in the imperfect: interfería, interferías, interfería...
Future
yo: interferiré
Interferir is regular in the future; simply add endings to the infinitive.
Present Subjunctive
yo: interfiera
Interferir has a stem change (ie) and a special nosotros/vosotros change (i) in the subjunctive.
Imperfect Subjunctive
yo: interfiriera
The imperfect subjunctive uses the 'interfir-' stem for all forms (interfiriera, interfirieras).
Affirmative Imperative
yo: interfiere
Use 'interfiere' to tell someone to step in, or 'interfiera' for formal requests.
Negative Imperative
yo: no interfieras
The negative imperative always uses the present subjunctive forms: no interfieras, no interfiera.