12, Old men should be treated with respect by children

13, All the accounts can be done by the computer

14, A new shool is going to be built by them

15, That house isn't going to be bought by him

16, That building will be pulled down by them

17, The excerises won't be corrected tomorrow by the teacher

18, Dangerous chemiscals are kept in the safe place by you.

19, The meeting was broken up by the police.

20, That room may be used for the classroom by them.

21, Your hand must be washed by you.

22, The old building ought to be knocked down by them

23, That report needn't be typed today by you

12, Old men should be treated with respect by children

13, All the accounts can be done by the computer

14, A new shool is going to be built by them

15, That house isn't going to be bought by him

16, That building will be pulled down by them

17, The excerises won't be corrected tomorrow by the teacher

18, Dangerous chemiscals are kept in the safe place by you.

19, The meeting was broken up by the police.

20, That room may be used for the classroom by them.

21, Your hand must be washed by you.

22, The old building ought to be knocked down by them

23, That report needn't be typed today by you