Question

Necesito 20 oraciones con voz pasiva (passive voice) y en presente perfecto (present perfect) Lo unico que se es que en la voz pasiva el objeto o la accion se le da al sujeto 

Answer 1

Active : They have cleaned the clinic.
Passive: The clinic has been cleaned by them.

Active : Thomas has written many books.
Passive: Many books have been written by Thomas.

Active : Have the police caught the man?
Passive: Has the man been caught by the police?

Active : UPS has delivered the letters
.Passive: The letters have been delivered by UPS.

Active: My brother has studied the lesson.
Passive: The lesson has been studied by my brother.

Active:Has the surgeon performed the operation?
Passive: Has the operation been performed by the surgeon?