Transform the sentences from active into passive voice. Read the rules here.

1. She sends hundreds of e-mails every day.

2. They are building a new house now.

3. Dad is going to fix my bike tomorrow.

4. The teacher will have marked our essays by tomorrow.

5. They had booked the tickets beforehand.

6. The police arrested the criminals last night.

7. They were cooking dinner at this time yesterday.

8. Mary hasn’t finished the book yet.

9. People will protect the endangered species at all costs.

10. You must tidy your room later today.