The document discusses the differences between active and passive voice. In active voice, the subject performs the action, while in passive voice the subject receives the action. The document provides examples of sentences in both active voice and passive voice, noting that in passive voice the object of the active sentence becomes the subject and the subject becomes the object of the preposition "by".

2.  Says whether the subject is the doer of the action or
receiver of the action.
VOICE
Active
voice
Passive
voice

3.  Most of the sentences we speak in day to day lives are
active voice.
 Shorter than passive voice.

4.  In active sentences, the thing doing the action is the
subject of the sentence and the thing receiving the
action is the object.
 [Thing doing action] + [verb] + [thing receiving action]
 Verb is controlled by the subject

5. EXAMPLE:
The professor teaches the students
Subject doing verb object receiving
Action the action

6. EXAMPLES:
 The boys pluck flowers
 My mother prepares delicious food
 Keerti writes the article.

7. VERB IN PASSIVE VOICE SHOWS THAT:
 Something is done to the person or thing denoted by
the subject.
 [Thing receiving action] + [be] + [past participle of
verb] + [by] + [thing doing action]

8. EXAMPLES:
The dog was killed by John
Subject receiving passive doing action
Action verb

9.  Verb is controlled by the object.
 Only past participle of the main verb is used.
 Object in active voice becomes subject in passive voice.
 Subject in the active voice becomes the object of
preposition "by” in the passive voice.

10. EXAMPLES:
 The flowers were plucked by the boys.
 Delicious food is prepared by my mother.
 The article was written by Keerti