1. These letters will be posted by her tomorrow. / I will post these letters tomorrow.
2. The town is being built by the workers.
3. She was bored to death staying at home.
4. His speech will be broadcast by TV tomorrow.
5. Some money was lent to me by her. / She lent me some money.
6. The new machine was worked out by him. / He worked out the new machine.
7. The scientist was asked lots of questions about the universe by us. / We asked the scientist lots of questions about the universe.
8. The play is based on historical facts.
9. They were told to wait for the new bus.
10. The report was followed by a discussion.