Question

Passive voice of has jhon cleaned the blackboard

Answer 1

Answer:

had rhe blackboard been cleaned by john?

Answer 2

Active Voice refers to a sentence in which the subject is performing the action.

Passive Voice refers to sentence in which the subject undergoes the action. In other words, it is writing the sentence in reverse order.

Example: I am writing an article. (Active)

               An article is being written by me. (Passive)

NOTE: Sentences that convey habitual actions cannot be changed to passive mode.

Has John cleaned the blackboard? (Active)

Has the blackboard been cleaned by John? (Passive)