Passive Se and Impersonal Se in Spanish
Short answer
Se plus a third-person verb is how Spanish usually avoids naming an agent: se venden pisos, se habla español. The full passive with ser plus participle exists but sounds formal and mostly appears in writing.
Level B2 · verbs, passive
The rule in full
Spanish avoids the true passive in speech. Three options, from most formal to most natural.
| Structure | Example | Register |
|---|---|---|
| ser + participle (+ por) | La casa fue construida por mi abuelo. | formal, written |
| se + verb (pasiva refleja) | Se construyó la casa en 1920. | everyday |
| 3rd person plural | Dicen que va a llover. | spoken |
With ser + participle, the participle agrees: Las casas fueron construidas.
Pasiva refleja — the verb agrees with the thing:
- Se vende un piso. / Se venden pisos.
Impersonal se — no subject at all, always singular, used with people:
- En España se cena tarde. Aquí se habla español.
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