Change these sentences into passage voice

6 Change these sentences into pasage voice.
1. You must do your homework before coming to the class.
2. Could you water the flowers?
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3. My dad may repair my motorbike for me.
4. He will give me a huge bunch of flowers on my graduation day.
5. Visitors must leave all their belongings behind before entering the playroom.
6. You must not iron this shirt under high heat.
7. Passengers ought to keep the tickets as the staff would check them at the end of the ride.
8. Students can borrow books from the library for 2 weeks.
9. You have to bring this basket of food to your grandma's house before noon.
10. Schools should hold more outdoor activities for students to experience and learn from.
12. You don't have to water this tree regularly.
13. You should learn these new words by heart in order to do these exercises.
14. Their grandmother told them this story when they visited her last week.
15. Have you sent the Christmas cards to your family?
16. The Greens are going to paint this house and these cars for Christmas Day.
F