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