1. Once a week, Beni cleans the house.
2. Tono repaired the car.
3. The salesman was helping the customer when the thief came into the store.
4. Many tourists have visited that castle.
5. Recently, John has been doing the work.

6. Once a week, the house is cleaned by Beni.
7. The car was repaired by Tono
8. The customer was being helped by the salesman when the thief came into the store
9. That castle has been visited by many tourists
10. Recently, the work has been being done by John.