The Subjunctive Mood of Firmar is used to express wishes, desires, or uncertainty about an action of signing. For example, Es importante que firmes el contrato. (It’s important that you sign the contract.)

Firmar is a regular -ar verb, so its conjugations in the Present Subjunctive follow the typical pattern for this verb type.

Conjugations

Conjugations of Firmar (to sign) in the Subjunctive Mood tense (Castilian Spanish):

Firmar generally means “to sign” or “to endorse”, but has several different meanings in the Subjunctive Mood, some of which might surprise you.

To formally agree or commit: for example, Es importante que firmes el contrato para que podamos proceder. (It’s important that you sign the contract so we can proceed.)

To endorse or support: for example, Esperamos que firmes nuestra petición para proteger el medio ambiente. (We hope you sign our petition to protect the environment.)

To authenticate or validate: for example, El notario requiere que firmes los documentos para que sean legalmente vinculantes. (The notary requires you to sign the documents for them to be legally binding.)

To confirm or ratify: for example, Es necesario que firmes el acuerdo para que entre en vigor. (It’s necessary that you sign the agreement for it to take effect.)

To guarantee or vouch for: for example, ¿Podrías firmar que estuviste allí como testigo? (Could you sign that you were there as a witness?)

To inscribe or autograph: for example, Espero que el autor firme mi libro cuando venga a la ciudad. (I hope the author signs my book when he comes to town.)

Colloquially, to confirm or agree emphatically: for example, ¿Que vayamos a la fiesta esta noche? ¡Firma que sí! (That we go to the party tonight? You bet!)

Examples

Examples of Firmar in the Subjunctive Mood

Es importante que tú firmes el contrato antes de comenzar a trabajar. (It’s important that you sign the contract before starting work.)

El juez ordenó que el acusado firme una orden de restricción. (The judge ordered that the accused sign a restraining order.)

Para que podamos procesar tu solicitud, es necesario que firmes estos documentos. (In order for us to process your application, it’s necessary that you sign these documents.)

Ojalá que mis padres firmen el permiso para que pueda ir al viaje escolar. (I hope my parents sign the permission slip so I can go on the school trip.)

Sugiero que firmemos un acuerdo prenupcial antes de casarnos. (I suggest we sign a prenuptial agreement before getting married.)

Es una tradición que los novios firmen el acta de matrimonio después de la ceremonia. (It’s a tradition for the newlyweds to sign the marriage certificate after the ceremony.)

Tal vez sea mejor que firmen un contrato de arrendamiento por si acaso. (Maybe it’s better if they sign a lease agreement just in case.)

El notario requiere que ambas partes firmen la escritura de la propiedad. (The notary requires both parties to sign the property deed.)

Insisto en que firméis una renuncia de responsabilidad antes de participar en actividades riesgosas. (I insist that you sign a liability waiver before participating in risky activities.)

Es fundamental que todos firmemos el código de conducta de la empresa. (It’s essential that we all sign the company’s code of conduct.)

Quiero que mis hijos firmen un acuerdo para repartir mis bienes cuando yo falte. (I want my children to sign an agreement to divide my assets when I’m gone.)

El banco exige que firmes este pagaré antes de aprobar tu préstamo. (The bank requires you to sign this promissory note before approving your loan.)

Aunque no estés de acuerdo, te conviene que firmes los papeles del divorcio. (Even if you don’t agree, it’s in your best interest to sign the divorce papers.)

Es una buena idea que firmes una carta poder para que alguien pueda representarte. (It’s a good idea for you to sign a power of attorney so someone can represent you.)

El gerente insistió en que todos firmemos un acuerdo de confidencialidad. (The manager insisted that we all sign a non-disclosure agreement.)

Conjugations with English Translations

Conjugations of Firmar (to sign) in the Subjunctive Mood tense (Castilian Spanish) with English Translations:

This post covers Castilian Spanish. For Latin American Spanish, click here

Synonyms

The Subjunctive mood is also known as the Simple Subjunctive, Subjunctive Present, or Present Subjunctive Mood in English, and as Presente de Subjuntivo, Subjuntivo Presente, Presente del Modo Subjuntivo, or Tiempo Presente del Subjuntivo in Spanish.