Conjugate firmar in Spanish

to sign

firmar is a regular -ar verb ranked #477 among the most common Spanish verbs. For example: "Necesito firmar esto." (I need to sign this.). 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 firmo
firmas
él/ella/Ud. firma
nosotros firmamos
vosotros firmáis
ellos/ellas/Uds. firman
Example

Yo firmo todos los días.

I sign every day.

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

Pronoun Conjugation
yo firmé
firmaste
él/ella/Ud. firmó
nosotros firmamos
vosotros firmasteis
ellos/ellas/Uds. firmaron
Example

Ayer yo firmé.

Yesterday I sign.

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

Pronoun Conjugation
yo firmaba
firmabas
él/ella/Ud. firmaba
nosotros firmábamos
vosotros firmabais
ellos/ellas/Uds. firmaban
Example

Antes yo firmaba con frecuencia.

Before, I used to sign often.

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

Pronoun Conjugation
yo firmaré
firmarás
él/ella/Ud. firmará
nosotros firmaremos
vosotros firmaréis
ellos/ellas/Uds. firmarán
Example

Mañana yo firmaré.

Tomorrow I will sign.

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

Pronoun Conjugation
yo firmaría
firmarías
él/ella/Ud. firmaría
nosotros firmaríamos
vosotros firmaríais
ellos/ellas/Uds. firmarían
Example

Si pudiera, yo firmaría.

If I could, I would sign.

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

Pronoun Conjugation
yo firme
firmes
él/ella/Ud. firme
nosotros firmemos
vosotros firméis
ellos/ellas/Uds. firmen
Example

Espero que tú firmes.

I hope that you sign.

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

Pronoun Conjugation
yo -
firma
él/ella/Ud. firme
nosotros firmemos
vosotros firmad
ellos/ellas/Uds. firmen
Example

¡Firma!

Sign!

Test yourself

Type the correct conjugation for each prompt.

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Example sentences

Common phrases with firmar

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