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 ?