One of the students broke the window.
The window was broken by one of the students.
Mr. Elliot pays the workers.
The workers are paid by Mr. Elliot
A famous director made this film.
This film was made by a famous director.
The firefighters rescued the teenagers from the burning building.
The teenagers were rescued from the burning building by the firefighters.
Conservation groups educate people.
People are educated by conservation groups.
Scientists measure the mountain
The mountain is measured by the scientists.
The teacher gave me a final exam every year.
A final exam was given to me by my teacher every year.