-ar verb C1 · Advanced

Conjugate contrarrestar in Spanish

to counteract

contrarrestar is a regular -ar verb ranked #1341 among the most common Spanish verbs. For example: "Debemos contrarrestar los efectos negativos de la contaminación." (We must counteract the negative effects of pollution.). Use the tables below for full conjugation across all 7 tenses.

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Describes current actions, habits, and general truths. The most frequently used tense — master it first.

Pronoun Conjugation
yo contrarresto
contrarrestas
él/ella/Ud. contrarresta
nosotros contrarrestamos
vosotros contrarrestáis
ellos/ellas/Uds. contrarestan
Example

El medicamento contrarresta los síntomas de la alergia.

The medication counteracts the allergy symptoms.

Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.

Pronoun Conjugation
yo contrarresté
contrarrestaste
él/ella/Ud. contrarrestó
nosotros contrarrestamos
vosotros contrarrestasteis
ellos/ellas/Uds. contrarrestaron
Example

Ayer yo contrarresté.

Yesterday I counteract.

Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.

Pronoun Conjugation
yo contrarrestaba
contrarrestabas
él/ella/Ud. contrarrestaba
nosotros contrarrestábamos
vosotros contrarrestabais
ellos/ellas/Uds. contrarrestaban
Example

Antes yo contrarrestaba con frecuencia.

Before, I used to counteract often.

Describes future events and predictions. In everyday speech, ir a + infinitive is often preferred for planned events.

Pronoun Conjugation
yo contrarrestaré
contrarrestarás
él/ella/Ud. contrarrestará
nosotros contrarrestaremos
vosotros contrarrestaréis
ellos/ellas/Uds. contrarrestarán
Example

Mañana yo contrarrestaré.

Tomorrow I will counteract.

Expresses what would happen under certain conditions — equivalent to "would" in English. Also used for polite requests.

Pronoun Conjugation
yo contrarrestaría
contrarrestarías
él/ella/Ud. contrarrestaría
nosotros contrarrestaríamos
vosotros contrarrestaríais
ellos/ellas/Uds. contrarrestarían
Example

Si pudiera, yo contrarrestaría.

If I could, I would counteract.

Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.

Pronoun Conjugation
yo contrarreste
contrarrestes
él/ella/Ud. contrarreste
nosotros contrarrestemos
vosotros contrarrestéis
ellos/ellas/Uds. contrarresten
Example

Espero que tú contrarrestes.

I hope that you counteract.

Used to give commands and direct requests. Affirmative and negative forms differ significantly in Spanish.

Pronoun Conjugation
yo -
contrarresta
él/ella/Ud. contrarreste
nosotros contrarrestemos
vosotros contrarestad
ellos/ellas/Uds. contrarresten
Example

El medicamento contrarresta los síntomas de la alergia.

The medication counteracts the allergy symptoms.

Test yourself

Type the correct conjugation for each prompt.

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Example sentences

Common phrases with contrarrestar

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