11. My favorite room is my bedroom
⇒ I like my bedroom best
12. Are ther 40 students in your class?
⇒ Does your class have 40 students?
13. My school has a computer room
⇒ There is a computer room in my school
14. I don't have a bookself in my bedroom
⇒ There isn't a bookself in my bedroom
15. His house is near the hospital
⇒ There is a hospital near his house