-ar verb irregular · spelling-change C1 · Advanced

Conjugate indagar in Spanish

to investigate

indagar is an irregular -ar verb ranked #2206 among the most common Spanish verbs. For example: "La policía indaga el caso." (The police investigate the case.). Use the tables below for full conjugation across all 7 tenses.

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⚡ Irregular verb — indagar (spelling-change) 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 indago
indagas
él/ella/Ud. indaga
nosotros indagamos
vosotros indagáis
ellos/ellas/Uds. indagan
Example

La policía indaga el caso.

The police investigate the case.

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

Pronoun Conjugation
yo indagué *
indagaste
él/ella/Ud. indagó
nosotros indagamos
vosotros indagasteis
ellos/ellas/Uds. indagaron
Example

Ayer yo indagué.

Yesterday I investigate.

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

Pronoun Conjugation
yo indagaba
indagabas
él/ella/Ud. indagaba
nosotros indagábamos
vosotros indagabais
ellos/ellas/Uds. indagaban
Example

Antes yo indagaba con frecuencia.

Before, I used to investigate often.

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

Pronoun Conjugation
yo indagaré
indagarás
él/ella/Ud. indagará
nosotros indagaremos
vosotros indagaréis
ellos/ellas/Uds. indagarán
Example

Mañana yo indagaré.

Tomorrow I will investigate.

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

Pronoun Conjugation
yo indagaría
indagarías
él/ella/Ud. indagaría
nosotros indagaríamos
vosotros indagaríais
ellos/ellas/Uds. indagarían
Example

Si pudiera, yo indagaría.

If I could, I would investigate.

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

Pronoun Conjugation
yo indague *
indagues *
él/ella/Ud. indague *
nosotros indaguemos *
vosotros indaguéis *
ellos/ellas/Uds. indaguen *
Example

Espero que tú indagues.

I hope that you investigate.

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

Pronoun Conjugation
yo -
indaga
él/ella/Ud. indague *
nosotros indaguemos *
vosotros indagad
ellos/ellas/Uds. indaguen *
Example

La policía indaga el caso.

The police investigate the case.

Test yourself

Type the correct conjugation for each prompt.

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Example sentences

Common phrases with indagar

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