Paraphrase these sentences changing the
attributive clauses into participial phrases in post-position where possible.
17. She walked quietly out of the room trying not to wake the children who slept peacefully in their bed.
18. People who go to the theatre know this actor.
19. The women who believed him lost a lot of money.
20. Leaving home she met the woman who lived on the floor above her.
21. He received a message that asked him to call Mr. Brown.
22. When he entered the room the girl who was typing by the window turned round.
23. When he entered the room the girl who was sitting by the window turned round.