Question

change into passive= he can do it

Answer 1

It can be done by him

Answer 2

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

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

Example: She broke the vase. (Active)

               The vase was broken by him. (Passive)

He can do it. (Active)

It can be done by him. (Passive)

Hope it helps :)