Pasiva = be + participio. Lo importante es la acción o el objeto, no quién lo hace.
Forma
- Presente: is / are + participio (English is spoken here)
- Pasado: was / were + participio (It was built in 1887)
- Negativa: isn’t / wasn’t… · Pregunta: Is it made…? When was it built?
Uso
- Activa → pasiva: el objeto pasa a sujeto; by + agente si importa
- Procesos, historia, noticias, frases con «se»
Errores frecuentes
- «The windows was cleaned» ✗ → were cleaned.
- «was arrest» ✗ → falta el participio: was arrested.
- «by someone», «by people» ✗ → se omite el agente.