Đáp án:

1. => This flower is watered by my father every morning.

2. => Fiona was invented to John's birthday party last night.

3. => The dinner is being prepared by her mother in the kitchen.

4. => Our teeth should be cleaned twice a day.

5. => The English grammar has been explained by our teacher.

6. => The accident was caused in this city by some drunk drivers.

7. => Tom's parents will be visited next month.

8. => The secretary wasn't phoned by the manager this morning.

9. => Was this beautiful dress bought by Mary?

10. => These old pictures won't be hung in the living room.

11. => This factory wasn't built by the Greens during the Second World War.

12. => This house and these cars are going to be painted for Chrismas day by the Greens.

13. => The cats had been fed by Ann before she went to the cinema.

14. => The pollution problems have been discussed by the students since last week.

15. => Has the most valuable painting in the national meseum been stlen by the thieves.

16. => The new president will be interviewed on TV by tsome people.

17. => How many languages are spoken in Canada ?

18. => Are those shoes going to be repaired?

19. => His nose has been broken in a football match.

20. => Have above sentences been finished ?

               Chúc bạn học tốt nhé !!!!

1. My father waters this flower every morning.

=>This flower is watered by my father every morning.

2. John invited Fiona to his birthday party last night.

=> Fiona was invented to John’s birthday party last month.

3. Her mother is preparing the dinner in the kitchen.

=>The dinner is being prepared by her mother in the kitchen.

4. We should clean our teeth twice a day.

=>Our teeth should be cleaned twice a day.

5. Our teachers have explained the English grammar.

=>The English grammar has been explained by our teacher.

6. Some drunk drivers caused the accident in this city.

=>The accident was caused in this city by some drunk drivers.

7. Tom will visit his parents next month.

=> Tom’s parents will be visited by him next month.

8. The manager didn’t phone the secretary this morning.

=>The secretary wasn’t phoned by the manager this morning.

9. Did Mary buy this beautiful dress?

=>Was this beautiful dress bought by Mary?

10. I won’t hang these old pictures in the living room.

=>These old pictures won’t be hung in the living room by me.

11. The German didn’t build this factory during the Second World War.

=>This factory wasn’t built by the Greens during the Second World War.

12. The Greens are going to paint this house and these cars for Christmas Day.

=> This house and these cars are going to be painted for Christmas day by the Greens

13. Ann had fed the cats before she went to the cinema.

=>The cats had been fed by Ann before she went to the cinema.

14. The students have discussed the pollution problems since last week.

=>The pollution problems have been discussed by the students since last week.

15. Have the thieves stolen the most valuable painting in the national museum?

=> Has the most valuable painting in the national museum been stolen by the thieves

16. Some people will interview the new president on TV.

=>The new president will be interviewed on TV by some people.

17. How many languages do they speak in Canada?

=>How many languages are spoken in Canada by them?

18. Are you going to repair those shoes?

=>Are those shoes going to be repaired ?

19. He has broken his nose in a football match.

=> His nose has been broken in a football match by him

20. Have you finished the above sentences?

=> Have above sentences been finished ?