12. Do you know who wrote the play ?

-> Do you know who the play was written by ?

13. Does your country export rice to Britain ?

-> Rice can be exported from your country to the Britain ?

14. Has Tom finished the work ?

-> Has the work been done by Tom yet ?

15. Has your elder brother watched this play sereral times ?

-> Has this play been seen several times by your brother ?

16. Has they changed the window of the laboratory ?

-> Was the window of the laboratory changed by them ?

17. Is she going to write a poem ?

-> Will the poem be written by her ?

18. Is she making big cakes for the party ?

-> Are the big cakes for the party being made by her ?

19. Must we finish the test before ten ?

->  Will the test be finished by ten ?

20. Will buses bring the children home?

-> Can the children bring the buses home ?

21. Will you invite her to your wedding party ?

-> Was she invited to your wedding party ?

22. Will you have phone her when she comes to London ?

-> Did she get you calling when she come to London ?

23. Have you ever met this movie star ?

-> Has this movie star ever met you ?