Question

what is passive voice?

Answer 1

WHEN THE VERB SPEAKS OF ITS SUBJECT OF BEING ACTED UPON OR HAVING SOMETHING DONE TO IT,IT IS SAID TO BE IN THE PASSIVE VOICE.
EG:A LETTER WAS WRITTEN BY HER.

Answer 2

Passive voice :
a sentence or clause, in which the subject receives the action of the verb.
example :
⇒ my car was stolen.
⇒ the flat tire was changed by Raj.
⇒ the treaty is being signed by the two kings.