Keys to the File given in class:
1. They had won the race.
The race had been won.
2. He has seen two bulls this morning.
Two bulls have been seen this morning.
3. I was buying the newspaper when I saw Mary this morning.
The newspaper was being bought when Mary was seen this morning.
4. They are buying a new house this afternoon.
A new house is being bought this afternoon.
5. Paul has sold his two cars.
His two cars have been sold (by Paul).
6. I put the glasses on the table yesterday.
The glasses were put on the table yesterday.
7. I was feeding the animal yesterday at 10 o'clock.
The animal was being fed yesterday at 10 o'clock
8. They had painted the house the week before.
The house had been painted the week before.
9. She has given Paul a kiss this morning.Paul has been given a kiss this morning.
10. They hid the treasure a long time ago.
The treasure was hidden a long time ago.
11. We listened to a strong noise coming from the street.
A strong noise was listened to coming from the street.
12. They are studying English right now.
English is being studied right now.
13. They drank two pints at Paul's house.
Two pints were drunk at Paul's house.
14. They found two fossils of mammoth.
Two fossils of mammouth were found.
15. I didn't recognize Mary at first sight.
Mary wasn't recognized at first sight.
16. I don't know her.
She isn't known.
17. He was driving his car when I phoned her.
His car was being driven when she was phoned.
18. They have stolen all the food.
All the food has been stolen.
19. You can't park cars in here.
Cars can't be parked in here.
20. You can't take photographs in this place.
Photographs can't be taken in this place.
21. The school must change these rules.
The rules must be changed by school.
22. You should repair the stairs.
The stairs should be repaired.
23. I have to mend this watch.
This watch has to be mended.
24. The nurse examined the patient.
The patient was examined by the nurse.
25. My son cleaned the windows.
The windows were cleaned.
26. The fire destroyed the building.
The building was destroyed by the fire.
27. That dog bit the boy.
The boy was bitten by that dog.
28. Paul has written her a letter this week.
She has been written a letter by Paul this week /
A letter has been written by Paul to her this week
