16. The engine of the car has to be repaired. 

17. The windows were broken and some flowers were taken away by the boys.

18. A lot of money is spent on advertising every day.

19. A story is going to be told by teacher.

20. A cake is being cut with a sharp knife by Mary.

21. The woman with a red hair was looked at by the children

22. The victims have been provided with food and clothing.

23. English is spoken in almost every corner of the world.

24. This machine mustn't be used after 5:30 p.m

- S + have to/must + be + Vpp + by O

- S + is/are/am + Vpp + by O

- S + is/are/am + being + Vpp + by O

- S + have/has + been + Vpp + by O

- S + was/were + Vpp + by O

16. The engine of the car has to be repaired.

17. The windows was broken and some pictures were taken away by the boys.

18. A lot of money is spent on advertising every day.

19. A story is going to be told by teacher.

20. A cake is being cut with a sharp knife by Mary.

21. The woman with a red hat was looked at by the children.

22. The victims were provided with food and clothing.

23. English is spoken in almost every corner of the world.

24. This machine mustn't be used after 5:30.