Question

By whom was this letter written change into active voice

Answer 1

The sentence can be changed into active voice as follows:

Who wrote this letter?

What are active voice and passive voice sentences?

• In the field of English Grammar, a statement in which the subject of the sentence is acting on the verb of the sentence is an active voice sentence.
• In the field of English Grammar, a passive voice sentence can be described as a sentence in which the verb of the sentence acts on the subject. A passive voice statement often has an auxiliary verb added to it.