Change the voice from Active to Passive: 1. The man gave a fine speech. 3. Children are completing the homework. 5. How did Seema know the secret? 7. Shweta has drawn the line. 9. The sweeper sweeps the floor. 11. Which boy helped you? 13. Columbus discovered America. 15. They saved the house from burning. 17. What do students do during the recess? 19. The peon will have rung the bell. hou broke the window pane. 2. Sharda was cleaning the room. 4. Who has bought this dress? 6. I teach him maths. 8. Soldiers were fighting a battle. 10. The landlady asked me a question. 12. They will serve the nation. 14. Mr. Karla is writing an article. 16. Amit has purchased many storybooks. 18. Who wrote the Mahabharata?​