Period 23:

1. The cakes are being cut with a sharp knife by Marry

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

3. A story is going to be told by the teacher.

4. Her dog is often taken for a walk by her.

5. My briefcase has been taken by somebody.

6. Our written work was returned to us by the teacher.

7. Her report had been finished by her by noon.

8. The little boy was bitten by the mad dog.

9. Five suspects have been arrested by the police.

10. The window was broken and some pictures were taken away by the boys.

Period 24:

11. This flower is watered by my father every morning

12. The dinner is being prepared in the kitchen by her mother

13. The english grammar has been explained by our teachers

14. The accident in this city was caused by some drunk drivers

15. Fiona was invited to John's birthday party last night

16. The lunch is being prepared in the kitchen by her mother

17. The english grammar has been explained by her

Period 25:

1. The biscuits are baked over a charcoal fire. 

2. The minutes of the meeting will be written by the secretary.

3. The problem has been discussed for several days

4. The radio has been switched on by somebody.

5. That block of flats was built in 1973.

6. Our team was beaten in the hockey match yesterday.

7. Flies are often found near rubbish dumps.

8. Our house was broken into by somebody last night.

9. The poem "The Pied Piper of Hamelin" was written by Robert Browning.

The poem was written for the son of his good friend, William Macready

10. Were you told where to report for work by anyone?

No, I wasn't told by anyone.

Period 26:

1. His dogs are fed twice a day by the boy.

2. The drug addict was advised to change his ways by the counselor.

3. Several windows were broken by the naughty kids in the fight.

4. Suseela's paintings were being sold at the exhibition by her.

5. A house had been built for the poor family by the villagers

6. Every effort will be made to raise funds for the orphanage.

7. His bicycle is wanted to be sold to help pay his school fees.

8. Her pupils have been scolded for being disobedient by the teacher.

9. The tables were rearranged neatly by the volunteers.

10. The postman's bag had been taken by mistake by someone.