Answer :
- All books were stolen by him.
Explanation :
As we know the voice of a verb indicates
that whether its subject is doer or
reciever.
- Active voice:- Subject of verb is a thing or person which is doing an action.
- Passive voice:- When subject is the reciever of the action.
(Here we've changed the sentence which is in active voice into passive voice).
Changes that tooked place :
- "Were" is added in sentence.
- "He" is changed to "him".
- "By" is added in the sentence.
