8 apen was given to me by her teacher last month
9 the house is being decorated by her
10 studying the lesson is very important
11 They thought that you were selfish.
-> It was thought that you were selfish.
12. Who gave you the book?
-> The book was given to you by who ?
13. Nobody meets her.
-> She isn't met.
14. People have never seen dragons.
-> Dragons has never been seen.
15. They hardly meet me at the beach.
-> I am hardly met at the beach.
16 the grammar is had to learn hard
17 the floor is sweep