6.The window was broken last week.
7. When I came home, the sweets had been eaten.
8. the work will be done in the evening.
9. this book was written by him in the 19th century.
10. tennis was being played from four till five.
16. This film will be shown on TV.
17. A new concert-hall is being built in our street.
18. A number of important experiments have been made in this laboratory.
19. Central Africa was explored by Livingstone in the 19th century.
20. By the middle of autumn all the trees had been planted by us.
21. This play will be staged at the beginning of next season.
22. The story has been forgotten.
23. Have the rules of the game been explained to you?
24. My skates haven’t been brought back.