El tiempo "Conditional Perfect" de la voz pasiva responde a la pregunta: "What would have been done?" = ¿Qué se habría hecho? o "What would have been being done?" = ¿Qué se habría estado haciendo?
Tenses - Continuous Tenses
A house would have been built.
Se habría construido una casa / Una casa habría sido construida
Mr. Benson would have been elected chairman of the board if he had been with the firm for over ten years.
El Sr. Benson habría sido decidido al presidente del consejo de administración si él hubiera estado con la firma durante más de diez años.
Your shirts would have been ironed if the maid had come yesterday.
Tus camisas habrían sido planchadas si la criada hubiera venido ayer.
It is supposed that your horse would not have been tamed if he had been wild.
Se supone que su caballo no habría sido domado si hubiera sido salvaje.
If the cook had learnt the recipe, the bread would have been baked properly.
Si el cocinero hubiera aprendido la receta, el pan habría sido horneado correctamente.
Would Mr. Jones have been granted a loan if he had been unemployed?
¿Habrían concedido al Sr. Jones un préstamo si él hubiera estado desempleado?
Would Ms. Baxter have been promoted if she had not been efficient?
¿Habría sido promovida la Sra. Baxter si ella no hubiera sido eficiente?
They would have been offered to upgrade their computers if they had paid $500.
Les habrían ofrecido para mejorar sus computadoras si ellos hubieran pagado 500 dólares.
My brother would have been paid to fix this microwave if he had had the tools to do so.
Le habrían pagado a mi hermano para arreglar ese microondas si él hubiera tenido las herramientas para hacerlo.