Mude as Frases da Voz Ativa para a Voz Passiva

Transformação da Voz Ativa para Passiva

1. The exercises are done by the students.
2. We had placed the dishes on the table.
3. Marta reads the chapters.
4. João was helped by them.
5. You finished the work.
6. I saw Maria.
7. The bill was paid by my father.
8. The window was opened by Joaquim.
9. The lesson is studied by me.
10. The door is closed by them.
11. You watch the movies.
12. They hear Maria.
13. The police is looking for the criminal.