CHANGE OF VOICE IN CASE OF PAST INDEFINITE TENSE

 

At the time of changing active voice into passive voice, subject and object are interchanged.  Helping verb ‘did’ is replaced with ‘was’/ ‘were’. Using 3^rd form of verb, subject follows ‘by’.

1.  Affirmative:

Active voice  : Subject + 2nd form of Verb + object.                        Or   Subject + did + 1st form of Verb + object. Passive voice: Object + was/were +3rd form of verb + by + Subject.

a.  Active voice     :  The lion killed the hunter.

                   Passive voice   :  The hunter was killed by the lion.

b.  Active voice     :  The carpenter made fifty tables.

                   Passive voice   :  Fifty tables were made by the carpenter.

2.  Negative:

Active voice  : Subject + did + not + 1st form of Verb + object. Passive voice: Object + was/were + not + 3rd form of verb + by + Subject.

a.  Active voice     :  He did not obey me.

     Passive voice   :  I was not obeyed by him.

b.  Active voice     :  She did not steal the book.

     Passive voice   :  The book was not stolen by her.

3.  Interrogative:

Active voice  : Did + subject + 1st form of Verb + object? Passive voice: Was/Were + object + 3rd form of verb + by + Subject?

a.  Active voice     :  Whom did she love?

     Passive voice   :  Who was loved by her?

b.  Active voice     :  Did you write this letter?

     Passive voice   :  Was this letter written by you?