Question

Make the following sentences passive. 1. Factories pollute our rivers and lakes. 2. The cars in our cities give off dangerous fumes. 3. A lot of people developed allergies. 4. The rainforests clean the air. 5. Oil tankers contaminated seas. 6. People repaired the damage. 7. We can plant trees. 8. They will adopt animals. 9. People create parks for endangered species. 10. We will save our planet.

Answer 1

Rivers and lakes are polluted by factories

Dangerous fumes are given off by the cars in our cities

Allergies are developed a lot of people

the air is cleaned by rainforests

seas are contaminated by oil tankers

the damage is repaired by people

trees can be planted by us

animals will be adopted by them

parks are created by people for endangered species

our planet will be saved by us

Answer 2

1. Rivers and lakes are polluted by factories.
2. Dangerous fumes are given off by the cars in our cities.
3. Allergies were developed by a lot of people.
4. The air is cleaned by the rainforests.
5. Seas were contaminated by oil tankers.
6. The damage was repaired by people.
7. Trees can be planted by us.
8. Animals will be adopted by them.
9. Parks for endangered species are created by people.
10. Our planet will be saved by us.