Passive voice
In Passive Voice the object is acted upon by the subject and gives more importance to the action, not the subject.
A sentence in Passive Voice has Object + Verb + Subject and uses the past participle form of the verb.
For example,
A new car was bought by him.
Plenty of water is drunk by Mina.
Meenal is known to Shweta.
A letter was written by Kashish.
The room was cleaned by Simon.
She was given a beautiful dress for her birthday.