Passive Voice in Spanish

In Brief

Spanish can form a passive with ser + past participle: La puerta fue cerrada (“The door was closed”). The participle agrees with the subject in gender and number, and an agent is introduced with por. In everyday Spanish, however, a se construction or an active sentence is often more natural: Se venden entradas (“Tickets are sold”).

Overview

The passive voice presents the person or thing affected by an action as the subject (the part of the sentence that the statement is about). Compare the active Cervantes escribió el libro, where Cervantes performs the action, with the passive El libro fue escrito por Cervantes, where el libro receives the action. The basic meaning is similar, but the speaker chooses a different focus.

At B1, the essential pattern is ser + past participle. A past participle is a verb form such as escrito, vendido, or publicado. You also need to recognize that Spanish frequently avoids this pattern. English uses passives very freely, whereas natural Spanish often prefers an active verb, an unspecified third-person plural, or se.

This matters in news, historical writing, formal reports, notices, and descriptions of processes. It is also useful when the person responsible is unknown, obvious, or less important than the result: La carretera fue cerrada anoche (“The road was closed last night”).

How It Works

From an active sentence to a ser passive

A transitive verb—a verb that acts on a direct object (the person or thing directly affected)—can normally be made passive.

Active sentence	Passive sentence
Cervantes escribió el libro.	El libro fue escrito por Cervantes.
agent + verb + direct object	new subject + ser + participle + por + agent

The transformation has four steps:

1. The active direct object becomes the passive subject: el libro.
2. Ser is put in the tense required by the context: fue.
3. The past participle agrees with the new subject: escrito.
4. The original subject may return as the agent after por: por Cervantes.

The agent means the person or thing that performs the action. It can be omitted when it is unknown, obvious, or irrelevant: La casa fue vendida.

Choosing the tense of ser

The tense is shown by ser. The participle supplies the action and changes only for agreement.

Time or meaning	Pattern	Example	English
present	present of ser + participle	Las cartas son enviadas cada lunes.	The letters are sent every Monday.
completed past	preterite of ser + participle	La casa fue vendida en mayo.	The house was sold in May.
background or habitual past	imperfect of ser + participle	Las cartas eran entregadas a mano.	The letters used to be delivered by hand.
future	future of ser + participle	Los resultados serán publicados mañana.	The results will be published tomorrow.
present perfect	present perfect of ser + participle	El acuerdo ha sido firmado.	The agreement has been signed.
conditional	conditional of ser + participle	La propuesta sería aceptada.	The proposal would be accepted.

The perfect passive may look long: haber + sido + participle. In Las medidas han sido aprobadas, han carries person and tense, sido is the invariant participle of ser, and aprobadas agrees with las medidas.

Agreement of the participle

In a ser passive, the participle behaves like an adjective and matches the passive subject.

Subject	Participle	Example
masculine singular	-o	El puente fue construido.
feminine singular	-a	La escuela fue construida.
masculine or mixed plural	-os	Los puentes fueron construidos.
feminine plural	-as	Las escuelas fueron construidas.

Irregular participles agree in the same way: el documento escrito, las cartas escritas; el museo abierto, las tiendas abiertas; el vaso roto, las ventanas rotas.

Do not transfer the rule to compound tenses with haber. In Han escrito las cartas, escrito does not agree because this is an active present perfect. In Las cartas han sido escritas, escritas agrees because it belongs to the passive construction.

Introducing the agent with por

Use por for the doer of a passive action:

• La novela fue escrita por una autora chilena.
• El edificio fue diseñado por Gaudí.
• La decisión fue criticada por varios expertos.

English “by” does not always correspond to por. A phrase that gives the means or method may need con, mediante, or another expression: La puerta fue abierta con una llave (“The door was opened with a key”). The key is an instrument, not an agent.

The passive with se

The se passive (pasiva refleja) uses se + a third-person verb. The noun affected by the action is the grammatical subject, so the verb agrees with it:

• Se vende una casa. — One house is for sale.
• Se venden coches. — Cars are sold.
• Se habla español aquí. — Spanish is spoken here.

This construction is especially common in advertisements, signs, instructions, and general statements. It usually does not name an agent. If naming the doer matters, use an active sentence or, in a suitably formal context, a ser passive.

Choosing among three natural options

Focus	Typical choice	Example
affected thing; formal or explicit agent	ser passive	El informe fue preparado por Ana.
general process; no agent	se passive	Se preparan informes cada mes.
doer known or easy to express	active voice	Ana preparó el informe.

English often says “I was told” or “he was given.” Spanish commonly recasts these as active sentences: Me dijeron (“They told me”) and Le dieron (“They gave him/her”). Not every English passive should be translated word for word.

Examples in Context

Spanish	English	Note
El libro fue escrito por Cervantes.	The book was written by Cervantes.	Preterite passive with an agent.
La casa fue vendida.	The house was sold.	The agent is omitted.
Las invitaciones fueron enviadas ayer.	The invitations were sent yesterday.	Feminine plural agreement.
El museo será inaugurado en septiembre.	The museum will be opened in September.	Future passive.
Los datos han sido revisados por el equipo.	The data have been reviewed by the team.	Perfect passive.
La carretera estaba bloqueada por la nieve.	The road was blocked by snow.	Estar emphasizes the resulting state.
Se habla español aquí.	Spanish is spoken here.	General se construction.
Se venden coches usados.	Used cars are sold.	Plural verb agrees with coches.
Se necesita recepcionista.	A receptionist is needed.	Singular agreement.
Se publicarán los resultados mañana.	The results will be published tomorrow.	Future se passive.
En esta fábrica se producen bicicletas.	Bicycles are produced in this factory.	Process without a named agent.
Me ofrecieron otro puesto.	I was offered another position.	Spanish prefers an active plural verb.

Common Mistakes

Leaving the participle in the masculine singular

• Wrong: Las puertas fueron cerrado.
• Right: Las puertas fueron cerradas.
• Why: With ser, the participle agrees with the passive subject. Puertas is feminine plural, so use cerradas.

Making the participle agree after haber in an active tense

• Wrong: Han escritas las cartas.
• Right: Han escrito las cartas.
• Why: A participle directly after haber is invariant. Agreement appears in the full passive: Las cartas han sido escritas.

Using estar for the event itself

• Wrong: La ventana estuvo rota por el ladrón anoche when you mean that the burglar broke it last night.
• Right: La ventana fue rota por el ladrón anoche. More naturally: El ladrón rompió la ventana anoche.
• Why: Ser + participle presents an action; estar + participle usually presents the resulting condition. La ventana estaba rota means it was in a broken state.

Forgetting agreement in a se passive

• Wrong: Se vende coches usados.
• Right: Se venden coches usados.
• Why: Coches usados is the plural subject, so the verb must be plural too.

Translating every English passive literally

• Awkward: Fui dicho que esperara.
• Natural: Me dijeron que esperara.
• Why: Spanish does not generally build the passive from an indirect object in the English way. Use an object pronoun and an active verb: literally, “They told me to wait.”

Using de for an ordinary agent

• Wrong: El cuadro fue pintado de Goya.
• Right: El cuadro fue pintado por Goya.
• Why: The standard preposition introducing the agent of an action is por.

Usage Notes

The ser passive is grammatical in conversation, but repeated use can sound heavy or bureaucratic. It is most at home when the affected item deserves prominence, especially in journalism, academic prose, institutional communication, and historical accounts: La ley fue aprobada por el Congreso.

When no agent is needed, se is often shorter and more idiomatic. Compare the formal Los pagos son procesados en 24 horas with the natural service notice Los pagos se procesan en 24 horas. An active sentence is usually clearest when the doer is known: El equipo procesa los pagos.

Spanish also uses the third-person plural without stating who “they” are: Han cerrado la calle can mean “The street has been closed” or, more literally, “They have closed the street.” This is particularly common in speech. The form does not necessarily refer to a known group.

Be careful around people. With a specific person introduced by the personal a, Spanish normally analyzes se as impersonal rather than passive: Se entrevistó a los candidatos (“The candidates were interviewed”). The verb remains singular. This distinction belongs to more advanced study, but the practical pattern is useful.

Beyond the Basics / Advanced Use

Ser for an event, estar for a state

The contrast is often more important than the English translation suggests:

• La puerta fue cerrada a las diez. — Someone closed it at ten; this is an event.
• La puerta estaba cerrada a las diez. — At ten, it was in a closed state.

Context can blur the boundary, and some participles behave like established adjectives, but the event-versus-result test is a reliable starting point. An agent phrase strongly favors the event reading with ser, while a description of condition often favors estar.

Restrictions on passive formation

A direct passive is mainly available with transitive verbs. Verbs with no direct object, such as llegar (“to arrive”) or dormir (“to sleep”), cannot normally form this passive: Spanish does not produce an equivalent of “was arrived” with ser. Likewise, English passives based on indirect objects often require restructuring in Spanish: “She was given a prize” becomes Le dieron un premio or Recibió un premio.

Se passive versus impersonal se

These two constructions look similar but behave differently:

Construction	What follows	Agreement	Example
passive se	a thing that can be the subject	singular or plural	Se alquilan apartamentos.
impersonal se	no grammatical subject, or a person marked with a	normally third-person singular	Se vive bien aquí. / Se busca a dos testigos.

In Se alquilan apartamentos, apartamentos controls plural agreement. In Se vive bien aquí, there is no noun subject meaning “people”; the sentence means roughly “People live well here” or “One lives well here.”

Participles with two accepted forms

A few verbs have more than one participle in modern usage, sometimes with differences in function or frequency. For example, freído/frito and imprimido/impreso may occur, while forms such as frito and impreso are very common as adjectives. These details do not change the passive pattern: choose an accepted participle and make it agree when required. For ordinary production, learn the common participle with the verb rather than trying to infer every irregular form.

Style and information flow

Voice is not merely a mechanical transformation. It controls what comes first and what the reader treats as the topic. Un equipo internacional descubrió la especie highlights the researchers; La especie fue descubierta por un equipo internacional highlights the species. Good Spanish chooses the version that connects most naturally with the surrounding sentences, not automatically the version used in English.

Practice Tips

1. Transform short sentence sets. Start with La empresa publicó los resultados. Produce Los resultados fueron publicados por la empresa and Se publicaron los resultados, then ask which sounds best in a news report, notice, or conversation.
2. Mark agreement visibly. Underline the passive subject and circle the ending of the participle or verb: las medidas fueron aprobadas; se aprobar*on las medidas*. This builds two related agreement habits.
3. Collect authentic alternatives. In Spanish news, signs, and product pages, note examples of ser + participle, se, and unspecified plural verbs such as anunciaron. Compare how an English translation might use one passive for all three.

Related Concepts

• Prerequisite: Present Perfect — reviews haber + participle, which helps you understand perfect passives such as ha sido aprobado and the key agreement contrast.
• Next step: Passive Reflexive — develops the agreement rules and the distinction between passive and impersonal uses of se.