Question

The mason builds the wall

Answer 1

The wall had been built by the mason.

Answer 2

$\huge{\mathtt{\purple{A}\green{N}\pink{S}\blue{W}\purple{E}\green{R}\pink{!}\blue{!}}}$

The wall is built by the mason.

Extra Information :

In the passive voice, the form of the verb shows that something is done to the person denoted by the Subject. The verb 'built' is said to be in the passive voice.

It will be noticed that when the verb is changed from the active voice to passive voice, the object of the transitive verb in the active voice becomes the subject of the verb in the passive voice. Since the object of a verb in the active voice becomes the subject of the passive form, it follows that only transitive verbs can be used in the passive voice, because intransitive verb has no object.

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