Active to Passive (Present Simple Tense)
Natural disasters scare people.
People are scared by natural disasters.
floods are caused by heavy rains.
Heavy rains cause floods.
A huge earthquake shook Japan.
Japan was shaken by a huge earthquake.
The Titanic was sunk by an iceberg.
An iceberg sank The Titanic.
The house were bought by my father.
The house was bought by my father.
Global warming increases the greenhouse effect.
The greenhouse effect is increased by global warming.
Cities are destroyed by earthquakes.
Earthquakes destroy cities.
The avalanche killed two people.
Two people were killed by the avalanche.
The sea was polluted by oil.
Oil polluted the sea.
When did the airplane invented?
When was the airplane invented?
Alternative energy resources prevent air pollution.
Air pollution is prevented by alternative energy resources.
Oxygen is produced by rainforests.
Rainforests produce oxygen.
Hurricane Irma destroyed many homes in Florida.
Many homes in Florida were destroyed by Hurricane Irma.
Several victims were rescued by firefighters last night.
Firefighters rescued several victims last night.
I am sorry, you are not allow to feed the animals.
I am sorry, you are not allowed to feed the animals.
Power plants produce electricity.
Electricity is produced by power plants.
71% of the Earth is covered by the ocean.
The ocean covers 71% of the Earth.
The storm caused the floods.
The floods were caused by the storm.
The movie "Titanic" was directed by James Cameron.
James Cameron directed the movie "Titanic".
I was really enjoyed my holiday last summer.
I really enjoyed my holiday last summer.
The atmosphere protects people from ultraviolet rays.
People are protected from ultraviolet rays by the atmosphere.
Natural gas is used by people for heating.
People use natural gas for heating.
The government adopted a new regulation on environmental protection.
A new regulation on environmental protection was adopted by the government.
Many animals were injured by the recent fire in the forest.
The recent fire in the forest injured many animals.
My friend wasn't careful. She was fell off her bike.
My friend wasn't careful. She fell off her bike.