Factories dump tons of waste in the sea.
Tons of waste are dumped into the sea.
Gustave Eiffel built the Eiffel Tower in 1887.
The Eiffel Tower was built in 1887 by Gustave Eiffel.
Sharks don't kill many surfers each year.
Many surfers are not killed by sharks each year.
Carlos drinks water
Water is drunk by Carlos
They cut down thousands of trees every day
Thousands of trees are cut down every day.
The police arrested five thieves yesterday.
Five thieves were arrested yesterday.
She doesn't make a good chocolate cake.
A good chocolate cake isn't made by her.
Jennifer sings a song
A song is sung by Jennifer
People speak English here.
English is spoken (by people) here.
They invented the TV in the 20th century
The TV was invented in the 20th century.
Police don't catch a lot of pickpockets.
A lot of pickpockets are not caught by police.
The Mayans build the Pyramids
The pyramids were built by the Mayans
Smoking kills millions of people every year.
Millions of people are killed by smoking every year.
The doctor told my father to stop smoking.
My father was told to stop smoking by the doctor.
Not many people take the subway to work.
The subway isn't taken to work by many people.
Pedro wrote a book
A book was written by Pedro
Bees sting humans all Summer.
Humans are stung by bees all Summer.
The police gave her the bad news yesterday.
The bad news were given to her yesterday (by the police).
People don't buy a lot of cars in the winter.
(A lot of) Cars aren't bought by people in the winter.
Angelina drove a car
A car was driven by Angelina