Question

Definition of active and passive voice in english grammar

Answer 1

1) Active voice-
when the subject in the sentence acts; as;
I read a lesson
2)Passive voice-
when the subject in the sentence is acted upon; as;
A lesson is read by me

Answer 2

Active voice describes a sentence where the subject performs the action stated by the verb.
In passive voice ,sentences subject is acted upon by the subject.
Hope it helps you.