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Spanish · Verb · #505 most common

afectar

to affect
to influence

Regular-ar ending

In the tables below, the stem is shown in black and the ending in purple.

1.

Presente

Habitual actions, general truths, and what's happening now.

yoafecto
afectas
él/ellaafecta
nosotrosafectamos
vosotrosafectáis
ellos/ellasafectan

El clima afecta la salud de muchas personas.

The weather affects the health of many people.

Las decisiones de los líderes afectan a toda la comunidad.

The leaders' decisions affect the entire community.

2.

Pretérito Indefinido

Completed actions at a specific point in the past.

yoafecté
afectaste
él/ellaafectó
nosotrosafectamos
vosotrosafectasteis
ellos/ellasafectaron

La noticia afectó a todos en la oficina.

The news affected everyone in the office.

El accidente afectó el tráfico durante horas.

The accident affected traffic for hours.

3.

Imperfecto

Ongoing or repeated actions in the past, descriptions, and background context.

yoafectaba
afectabas
él/ellaafectaba
nosotrosafectábamos
vosotrosafectabais
ellos/ellasafectaban

Cuando era niño, el frío me afectaba mucho.

When I was a child, the cold affected me a lot.

Las críticas siempre afectaban su autoestima.

The criticisms always affected her self-esteem.

4.

Futuro Simple

Future actions, predictions, and speculation about the present.

yoafectaré
afectarás
él/ellaafectará
nosotrosafectaremos
vosotrosafectaréis
ellos/ellasafectarán

El cambio climático afectará a las futuras generaciones.

Climate change will affect future generations.

La nueva ley afectará a muchas empresas.

The new law will affect many businesses.

5.

Condicional

Hypothetical situations, polite requests, and future-in-the-past.

yoafectaría
afectarías
él/ellaafectaría
nosotrosafectaríamos
vosotrosafectaríais
ellos/ellasafectarían

Si no tomamos medidas, esto afectaría a nuestra salud.

If we don't take measures, this would affect our health.

El ruido podría afectar su concentración.

The noise could affect your concentration.

6.

Subjuntivo Presente

Wishes, doubts, emotions, and subordinate clauses expressing uncertainty.

yoafecte
afectes
él/ellaafecte
nosotrosafectemos
vosotrosafectéis
ellos/ellasafecten

Es importante que la educación afecte positivamente a los estudiantes.

It is important that education affects students positively.

Dudo que la situación afecte su decisión final.

I doubt that the situation affects his final decision.

7.

Subjuntivo Imperfecto

Past subjunctive contexts, hypothetical si-clauses, and polite suggestions.

yoafectara
afectaras
él/ellaafectara
nosotrosafectáramos
vosotrosafectarais
ellos/ellasafectaran

Si el clima afectara la cosecha, tendríamos problemas.

If the weather were to affect the harvest, we would have problems.

Ojalá que los cambios no afectaran nuestra relación.

I wish the changes didn't affect our relationship.

"afectar" in other languages

Related verbs

Common questions
Is "afectar" regular or irregular in Spanish?
"afectar" is a regular -ar verb in Spanish. It follows the standard conjugation pattern for -ar verbs.
How do you conjugate "afectar" in the present tense?
In the Presente, "afectar" conjugates as: afectas, afecto, afectan, and more. See the full table above.
What is the past tense of "afectar" in Spanish?
In the Pretérito Indefinido, "afectar" conjugates as: afectaste, afecté, afectaron, and more. See the full table above.
How common is "afectar" in Spanish?
"afectar" (to affect, to influence) is one of the most commonly used verbs in Spanish.