English

Who did it doesn't matter: the passive and se

The language of offices and news gets by without naming who acts: 'applications are accepted until Friday', 'two were detained'. Spanish has three ways to do it. For example: “Se necesita el certificado de empadronamiento para la solicitud” — The registration certificate is required for the application. A rule from the Spanish course: worked out on examples, not memorized as a wording.

Updated September 1, 2026 · Lingofly

How it works

The language of offices and news gets by without naming who acts: 'applications are accepted until Friday', 'two were detained'. Spanish has three ways to do it.

Ser plus a participle, agreeing in gender and number: la solicitud fue rechazada. The author comes in with por: fue detenido por la policía. This is the voice of newspapers, not of conversation.

Se plus the verb is the everyday one, and the verb agrees with the thing: se firma el contrato, se venden pisos. Every notice is written this way: se alquila piso, se prohíbe fumar.

In speech the third way wins: the ellos form with nobody named. Me han robado la cartera. Han cancelado el vuelo. Who did it is unknown and beside the point.

Table

Who did it doesn't matter: the passive and se
constructionwhere it livesexamplemeaning
ser + participlenewspaper, protocolla ley fue aprobadathe law was passed
ser + participle + porwhen the agent is namedfue detenido por la policíahe was detained by the police
se + verb (about things)signs, instructionsse venden pisosflats for sale
se + singular verb + a (about people)bureaucracyse detuvo a dos personastwo people were detained
3rd-person pluralconversationme han robado el móvilmy phone got stolen
no se puede / está prohibidoa banaquí no se puede fumarno smoking here

By example

How the rule settles in your head

A rule is not memorized from an explanation. It is memorized from an attempt to use it and a mistake — that is why the app delivers it mixed in with words, not as a separate lesson: it resurfaces exactly where you forgot it.

Frequently asked

Who did it doesn't matter: how does it work in Spanish?

The language of offices and news gets by without naming who acts: 'applications are accepted until Friday', 'two were detained'. Spanish has three ways to do it.

What does it look like in a Spanish example sentence?

“Se necesita el certificado de empadronamiento para la solicitud” — The registration certificate is required for the application. A rule is easier to test on sentences like this than to memorize as a wording: what surfaces in conversation is the sentence.

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