Answer :
3. Two glasses were broken by the boy.4. We are invited to lunch by him.5. The fort is shown to the visitors by Shubhash.6. The offices have been inspected by him.7. They have been instructed how to do it by her.8. The thieves had been interrogated by the police.9. A mess has been maintained by us.10. A chair has been repaired by us.11. She had been nominated by them.12. She has been ousted from the job by him.