El tiempo "Present Perfect" de la voz pasiva responde a la pregunta: "What has been done?" = ¿Qué se ha hecho? o What has been being done? = ¿Qué se ha estado haciendo?
Tenses - Continuous Tenses
A house has been built.
Se ha construido una casa / Una casa ha sido construida
The whole city has been destroyed by the earthquake.
La ciudad entera has sido destruída por el terremoto.
I can't get in. These doors have been locked!
No puedo entrar. Estas puertas han sido cerradas con llave!
Those windows have not been closed yet.
Aquellas ventanas no han sido cerradas aún.
This wooden floor has not been waxed.
Este suelo de madera no ha sido encerado.
Has uncle John been promoted to president of the company?
¿El tío John ha sido ascendido a presidente de la empresa?
Have the same mistakes been made before?
¿Han sido cometidos los mismos errores antes?
People have been requested to cancel appointments before Monday.
Se le ha solicitado a la gente que cancele las citas antes del lunes.
Guess what,... Jack has been taught to drive a car!
Adivina qué,... Le han enseñado a Jack conducir un coche!
A house has been being built.
Se ha estado construyendo una casa / Una casa ha estado siendo construida
My mother has been being treated by the same doctors for years.
My madre ha estado siendo tratada por los mismos médicos durante años.
Stricter and stricter measures have been being taken to reduce crime in the city.
She han estado tomando medidas cada vez más estrictas para reducir el delito en la ciudad.