Active Voice & Passive Voice :-

Based  on the typees of  verbs, we have active voice and passive voice

the sentence which have transitive verbs can be changed from "active voice" to "passive voice"

E:g: The Principle read the report.(Active voice)

The report was read by the principal . (passive voice)

1 Active voice : In this type of voice, the subject of the sentence acts on the agent. you can say that the "verb" is active when the action is done by the "subject" on the "object"

2. Passive Voice: In this voice the subject is acted upon by the agent . You can consider the verb as "passive"wheb the subject takes the action upon itself