8. Cows are usually milked twice a day by farmers.
9. He likes to be called “sir”.
10. We are used to be bid talk in the class by our teacher.
11. Don't let yourself be seen.
12. The workers were digging a large hole in the ground.
13. A woman was knocked down in the street by the car.
14. Grass was being eaten on the meadow by the cows.
15. You will be met by my cousin at the station.