change this in passive form.
6. They had already informed us about the case. 7. You were selling books at the fair. 8. Some boys were harassing her for quite some time. 9. Pranoy will bring some bananas today. 10. The President will cancel his membership. 11. They sold their property at a very low price. 12. The terrorists kidnapped two small boys. 13. I will have completed this book by next year. 14. The police asked the tourists to leave the town. ​