Question

How to change voice ? Please give me a answer which is my working.

Answer 1

ACTIVE VOICE -

When using the active voice, the subjects are the ones performing the action.

God loves all men. 
Birds build nests.
Dog eats bones. 
In these three sentences the subject does the action. Hence they are in the active avoice.
 

PASSIVE VOICE -


In the passive voice, the verb takes an object.

All men are loved by God.
Nests are built by birds.
Bones are eaten by dog.

These sentences are in passive voice. The Passive voice is used in English 
(a) To stress the action done rather than the doer of the action
(b) If the doer is unknown
(c) When it is more convenient.


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Answer 2

The subject will be interchanged with the object. The structure will be.

Object + Helping verb+ V3 + by S