They sold that kind of shoes in this shop last week.
That kind of shoes are sold by them in this shop last week.
Granny told us a story last night.
A story was told to us by Granny last night.
He doesn't show the stamps to me.
The stamps aren't shown to me by him.
You may take the it back home.
It may be taken back home by you.
Can you mend this radio here?
Can this radio mended here by you?
Do the workers build many buildings?
Are many buildings built by the workers?
You should take good care of her baby.
Her baby should be taken good care of by you.
We must tie the young tree to the stick.
The young tree must be tied to the stick by us.
What does the teather often tell the boys to do?
What are the boys often told to do by the teacher?
How many desks do they buy every term?
How many desks are bought by them every term?