-ar verb irregular · stem-change-e-ie C1 · Advanced

Conjugate acertar in Spanish

to get right, to hit the mark, to guess correctly

acertar is an irregular -ar verb ranked #2003 among the most common Spanish verbs. For example: "Acertaste con la respuesta." (You got the answer right.). Use the tables below for full conjugation across all 7 tenses.

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⚡ Irregular verb — acertar (stem-change-e-ie) does not follow standard -ar patterns. Pay close attention to the stems in each tense.

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

Pronoun Conjugation
yo acierto *
aciertas *
él/ella/Ud. acierta *
nosotros acertamos
vosotros acertáis
ellos/ellas/Uds. aciertan *
Example

Siempre acierta en sus predicciones.

He always gets his predictions right.

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

Pronoun Conjugation
yo acerté
acertaste
él/ella/Ud. acertó
nosotros acertamos
vosotros acertasteis
ellos/ellas/Uds. acertaron
Example

Acertaste con la respuesta.

You got the answer right.

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

Pronoun Conjugation
yo acertaba
acertabas
él/ella/Ud. acertaba
nosotros acertábamos
vosotros acertabais
ellos/ellas/Uds. acertaban
Example

Antes yo acertaba con frecuencia.

Before, I used to get right, to hit the mark, to guess correctly often.

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

Pronoun Conjugation
yo acertaré
acertarás
él/ella/Ud. acertará
nosotros acertaremos
vosotros acertaréis
ellos/ellas/Uds. acertarán
Example

Mañana yo acertaré.

Tomorrow I will get right, to hit the mark, to guess correctly.

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

Pronoun Conjugation
yo acertaría
acertarías
él/ella/Ud. acertaría
nosotros acertaríamos
vosotros acertaríais
ellos/ellas/Uds. acertarían
Example

Si pudiera, yo acertaría.

If I could, I would get right, to hit the mark, to guess correctly.

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

Pronoun Conjugation
yo acierte *
aciertes *
él/ella/Ud. acierte *
nosotros acertemos
vosotros acertéis
ellos/ellas/Uds. acierten *
Example

Espero que tú aciertes.

I hope that you get right, to hit the mark, to guess correctly.

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

Pronoun Conjugation
yo -
acierta *
él/ella/Ud. acierte *
nosotros acertemos
vosotros acertad
ellos/ellas/Uds. acierten *
Example

Siempre acierta en sus predicciones.

He always gets his predictions right.

Test yourself

Type the correct conjugation for each prompt.

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Example sentences

Common phrases with acertar

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