3. He recommends fitting new tires. 4. He suggested allowing tenants to buy their houses.
5. It is your duty to make tea at eleven o'clock.
6. People know that he is armed.
7. Someone has seen him pick up the gun.
8. We know that you were in town on the night of the crime.
9. They think that your father was a spy in the World War II.
10. We believe that he has special knowledge which may be useful to the police.
11. You needn't have done this.
12. He likes people to call him "Sir".
13. Don't touch this switch.