Using 'Con' instead of 'En'

For most present tense forms, the middle 'e' changes to 'ie' when you stress it (e.g., Yo interfiero). It stays 'e' when you don't stress that part (e.g., Nosotros interferimos).

The 'E' to 'IE' Change

When talking about getting involved in a situation or someone's life, you almost always use the word 'en' after interferir.

Preposition 'En'

In the past tense (the preterite) and the 'wishes' form (subjunctive), the 'e' sometimes changes to a simple 'i' instead of 'ie' (like 'interfirió'). Keep an eye out for that single 'i'!

A Sneaky Spelling Change

Commonly used in social, professional, and technical contexts.

When talking about physical things like signals or waves blocking each other, we use 'con' instead of 'en'.

Using 'Con' for Physics

Specific to science, technology, and physics.

Learn how to use the Spanish verb 'interferir' to mean 'to interfere' or 'to jam'. Includes full conjugation tables, examples, and common mistakes.

Interferir Meaning & Conjugation | InkLingo Dictionary

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The conditional of interferir is regular: interferiría, interferirías, etc.

Interferir is regular in the future; simply add endings to the infinitive.

Use 'interfiere' to tell someone to step in, or 'interfiera' for formal requests.

Interferir is completely regular in the imperfect: interfería, interferías, interfería...

The imperfect subjunctive uses the 'interfir-' stem for all forms (interfiriera, interfirieras).

The negative imperative always uses the present subjunctive forms: no interfieras, no interfiera.

Interferir is a stem-changing verb in the present tense (e -> ie), except for nosotros and vosotros.

Interferir has a stem change (ie) and a special nosotros/vosotros change (i) in the subjunctive.

Interferir has a third-person stem change (e -> i) in the preterite: interfirió and interfirieron.

interferir

Complete Conjugation Tables

🔄 Conjugations

subjunctive

imperfect

present

imperative

negative

affirmative

indicative

conditional

preterite

imperfect

present

future

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