Question

Ayuda para transformar estas oraciones a passive voice
They grow coffee in Brazil
2. He examines patients on the second floor
3. She feeds the animal twice a day.
4. They deliver the newspaper in the morning
5. We lend books only to students.
5. We lend books only to students.
7. England makes the best computers.
He found the child in the park
They broke the glasses with a stone.
She saw the mouse in the kitchen

Answer 1

1. Coffee is grown in Brazil by them
2. Patients are examined on the second floorby by him
3. The animal is fed twice a day by her 
4. The newspaper is delivered in the morning by them
5. Books are lend to students by us 
5. Books are lend only to students  
7. The best computers are made by England. 
8. The child was found in the park by him
9. The glasses were broken with a stone by them. 
10. The mouse was seen in the kitchen by her

Answer 2

De la anterior respuesta en vez de IS o ARE le puedo poner WAS o WERE no afecta en nada????