Question

Active voice and passive voice of present perfect continuous

Answer 1

Respuesta:

El tiempo "Presente Perfecto" de la voz pasiva responde a la pregunta: "What has been done?" o What has been being done?

El pasado simple se usa para hablar de momentos en pasado que han terminado, normalmente con una expresión temporal concreto.

The Romans built this bridge over 2000 years ago. o This bridge was built by the Romans over 2000 years ago.