-ar verb irregular · spelling-change-car-qué C1 · Advanced

Conjugate testificar in Spanish

to testify, to bear witness

testificar is an irregular -ar verb ranked #2429 among the most common Spanish verbs. For example: "El testigo testificó ante el juez." (The witness testified before the judge.). Use the tables below for full conjugation across all 7 tenses.

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⚡ Irregular verb — testificar (spelling-change-car-qué) 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 testifico
testificas
él/ella/Ud. testifica
nosotros testificamos
vosotros testificáis
ellos/ellas/Uds. testifican
Example

Yo testifico todos los días.

I testify, to bear witness every day.

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

Pronoun Conjugation
yo testifiqué *
testificaste
él/ella/Ud. testificó
nosotros testificamos
vosotros testificasteis
ellos/ellas/Uds. testificaron
Example

Ayer yo testifiqué.

Yesterday I testify, to bear witness.

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

Pronoun Conjugation
yo testificaba
testificabas
él/ella/Ud. testificaba
nosotros testificábamos
vosotros testificabais
ellos/ellas/Uds. testificaban
Example

Antes yo testificaba con frecuencia.

Before, I used to testify, to bear witness often.

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

Pronoun Conjugation
yo testificaré
testificarás
él/ella/Ud. testificará
nosotros testificaremos
vosotros testificaréis
ellos/ellas/Uds. testificarán
Example

Mañana yo testificaré.

Tomorrow I will testify, to bear witness.

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

Pronoun Conjugation
yo testificaría
testificarías
él/ella/Ud. testificaría
nosotros testificaríamos
vosotros testificaríais
ellos/ellas/Uds. testificarían
Example

Si pudiera, yo testificaría.

If I could, I would testify, to bear witness.

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

Pronoun Conjugation
yo testifique *
testifiques *
él/ella/Ud. testifique *
nosotros testifiquemos *
vosotros testifiquéis *
ellos/ellas/Uds. testifiquen *
Example

Espero que tú testifiques.

I hope that you testify, to bear witness.

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

Pronoun Conjugation
yo -
testifica
él/ella/Ud. testifique *
nosotros testifiquemos *
vosotros testificad
ellos/ellas/Uds. testifiquen *
Example

¡Testifica!

Testify, to bear witness!

Test yourself

Type the correct conjugation for each prompt.

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Example sentences

Common phrases with testificar

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