1. They will visit me the next week
=> I will be visited next week.
2. You should repair the house as soon as possible
=> The house should be repaired as soon as possible.
3. He can drive a car
=> A car can be driven by him.
4. They won't send the letter to her
=> The letter won't be sent to her.
5. I can sing a song
=> A song can be sung by me.
6. Can you make a sentence ?
=> Can a sentence be made by you ?
7. Will you help her ?
=> Will she be helped?
8. They can dig two holes a day
=> Two holes can be dug a day.
9. They must wear the uniform
=> The uniform must be worn.
10. You mustn't make noise
=> Noise mustn't be made.