The Imperative Mood (Affirmative Commands) of firmar is used to give direct orders or instructions related to signing something, for example Firma el contrato. (Sign the contract.)

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

Conjugations

Conjugations of Firmar (to sign) in the Imperative Mood (Affirmative Commands) tense (Latin American Spanish):

Firmar generally means to sign or put one’s signature on something, but has several different meanings in the Imperative Mood (Affirmative Commands), some of which might surprise you.

To sign a document: This is the most common meaning, for example, Firma el contrato. (Sign the contract.)

To confirm or agree: In some contexts, firmar can mean to confirm or agree to something, for example, Firma que vendrás a la fiesta. (Confirm that you’ll come to the party.)

To endorse or support: Firmar can also mean to endorse or show support for something, for example, Firma esta petición. (Sign this petition.)

Colloquial usage: In some Latin American slang, firmar can be used to mean “to do something” or “to accomplish a task”, for example, Firma esa tarea antes de salir. (Get that homework done before going out.)

Rude usage: In very informal contexts, firmar can be used rudely to mean “to do something unpleasant or undesirable”, for example, Firma esos platos sucios. (Do those dirty dishes.) This usage is considered rude and should be avoided in most situations.

Examples

Examples of Firmar in the Imperative Mood (Affirmative Commands)

Por favor, firma aquí. (Please sign here.)

Antes de salir, firme este documento. (Before leaving, sign this document.)

Todos los presentes firmen la petición. (Everyone present, sign the petition.)

Firmemos el contrato hoy mismo. (Let’s sign the contract today.)

En la oficina de correos, firma aquí por favor. (At the post office, please sign here.)

Para recibir el paquete, firme esta hoja. (To receive the package, sign this sheet.)

Amigos, firmen la tarjeta de cumpleaños. (Friends, sign the birthday card.)

Firmemos el acuerdo antes de proceder. (Let’s sign the agreement before proceeding.)

Oye Juan, firma este permiso para mí. (Hey Juan, sign this permission slip for me.)

Señora, firme aquí para autorizar el cargo. (Ma’am, sign here to authorize the charge.)

Equipo, firmen la carta de renuncia. (Team, sign the resignation letter.)

Firmemos los papeles de divorcio hoy. (Let’s sign the divorce papers today.)

Antes de irte, firma el libro de visitas. (Before you leave, sign the guestbook.)

Para confirmar, firme al final del formulario. (To confirm, sign at the bottom of the form.)

Todos firmen la petición en línea. (Everyone sign the online petition.)

Conjugations with English Translations

Conjugations of Firmar (to sign) in the Imperative Mood (Affirmative Commands) tense (Latin American Spanish) with English Translations:

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

Synonyms

The Imperative mood is also known as the Command Form, Affirmative Command Mood, or Direct Command Form in English, and as Modo Imperativo, Imperativo Afirmativo, Mandatos Afirmativos, or Forma de Mandato in Spanish.