$#Hy$

$\text { 16, That building will be pulled down} $

$\text { 17, The exercises won't be correct tomorrow} $

$\text { 18, Dangerous chemicals have to be kept in the safe place} $

$\text { 19, The meeting had to be broken up} $

$\text { 20, That room may be used for the classroom} $

$\text { 21, Your hands must be washed} $

$\text { 22, The old building ought to be knocked down} $

$\text { 23, That report needn't to be typed today} $

$\text { 24, This room hasn't been used for ages} $

$\text { 25, That problem can't be solved} $

$\text { 26, The news was not told me} $

$\text { 27, The ending of the story was not told me} $

$\text { 28, A prize will be given her by the teacher if she works well} $

$\text { 29, A doll was bought her by her mother last week} $ 

$\text { 30, The robber was found by the police in the forest yesterday} $

16. That building will be pulled down

17. The exercises won't be correct tomorrow

18. Dangerous chemicals have to be kept in the safe place

19. The metting had to be broken up

20. That room may be used for the classroom

21. Your hands must br washed

22. The old building ought to be knocked down

23. That report needn't to be typed today

24. This room hasn't been used for ages

25. That problem can't be solved

26. The news was not told me

27. The ending of the story was not told me

28. A pize will be given her by the teacher if she works well

29. A doll was bought her by her mother last week

30. The robber was found by the police in the forest yesterday