Inklingo
A person's hand holding a black fountain pen, actively signing their name on a large, white legal document lying flat on a wooden desk.

firmar

to sign

Complete conjugation tables and interactive practice exercises. This is a regular -ar verb.

The Spanish verb firmar means to sign.

Present tense:

yofirmo
firmas
él/ella/ustedfirma
nosotrosfirmamos
vosotrosfirmáis
ellos/ellas/ustedesfirman

Complete Conjugation Tables

Reference all tenses and moods

🔄 Conjugations

indicative

present

él/ella/ustedfirma
yofirmo
firmas
ellos/ellas/ustedesfirman
nosotrosfirmamos
vosotrosfirmáis

The present tense of firmar (firmo, firmas, firma, etc.) describes current or habitual signing actions.

Forms, examples & usage →

future

él/ella/ustedfirmará
yofirmaré
firmarás
ellos/ellas/ustedesfirmarán
nosotrosfirmaremos
vosotrosfirmaréis

The future tense of firmar (firmaré, firmarás, firmará, etc.) indicates actions that will happen.

Forms, examples & usage →

imperfect

él/ella/ustedfirmaba
yofirmaba
firmabas
ellos/ellas/ustedesfirmaban
nosotrosfirmábamos
vosotrosfirmabais

The imperfect of firmar (firmaba, firmabas, firmaba, etc.) describes ongoing or habitual past actions.

Forms, examples & usage →

conditional

él/ella/ustedfirmaría
yofirmaría
firmarías
ellos/ellas/ustedesfirmarían
nosotrosfirmaríamos
vosotrosfirmaríais

The conditional of firmar (firmaría, firmarías, firmaría, etc.) expresses 'would' actions or polite requests.

Forms, examples & usage →

preterite

él/ella/ustedfirmó
yofirmé
firmaste
ellos/ellas/ustedesfirmaron
nosotrosfirmamos
vosotrosfirmasteis

The preterite of firmar (firmé, firmaste, firmó, etc.) indicates completed past actions.

Forms, examples & usage →

imperative

negative

ustedesno firmen
nosotrosno firmemos
no firmes
ustedno firme
vosotrosno firméis

Negative commands for firmar use the present subjunctive: no firmes, no firme, no firmemos, no firmen, no firméis.

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affirmative

ustedesfirmen
nosotrosfirmemos
firma
ustedfirme
vosotrosfirmad

Use the imperative of firmar for direct commands: firma, firme, firmemos, firmen, firmad.

Forms, examples & usage →

subjunctive

present

él/ella/ustedfirme
yofirme
firmes
ellos/ellas/ustedesfirmen
nosotrosfirmemos
vosotrosfirméis

The present subjunctive of firmar (firme, firmes, firmemos, etc.) is used after expressions of doubt, desire, emotion, or influence.

Forms, examples & usage →

imperfect

él/ella/ustedfirmara
yofirmara
firmaras
ellos/ellas/ustedesfirmaran
nosotrosfirmáramos
vosotrosfirmarais

The imperfect subjunctive of firmar (firmara, firmaras, firmáramos, etc.) is used for past hypotheticals or wishes.

Forms, examples & usage →

Practice Conjugations

Test your knowledge with interactive exercises

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Take firmar from tables to real Spanish

Conjugation tables are the start. Read 200+ illustrated and narrated Spanish stories to see 'firmar' in action across real sentences — and build the instinct that native speakers have.