Turn from active into passive
1. The gardener has planted some trees.
2. Someone has broken the crystal vase.
3. Doctor Brown will give you some advice.
4. Columbus discovered America.
5. I have to return these books to the library.
6. You must dry-clean this shirt.
7. The farmer is building a new barn.
8. You can improve your health with more exercise.
9. A dog is chasing the child.
10. They grow bananas in Africa.
11. People speak French in Paris.
12. He gave me a present.