Chuyển sang câu bị động
1. My father waters this flower every morning
=>
2. John invited Fiona to his birthday party last night
=>
3. Her mother prepared the dinner in the kitchen
=>
4. We clean our teeth twice a day
=>
5. Our teachers explained the Englissh grammar
=>
6. Some drunk drivers caused the accident in this city
=>
7. Tom often visit his parents every month
=>
8. The manager didn't phone the secretary this morning
=>
9. Did Mary this beautiful dress
=>
10. I don't hang these old pictures in the living room
=>
Các bn làm nhanh nhé, mk đg cần gấp lắm 
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 INVITED TO HIS BIRTHDAY PARTY LAST NIGHT.
3. Her mother prepared the dinner in the kitchen
=> THE DINNER WAS PREPARED BY HER MOTHER IN THE KITCHEN.
4. We clean our teeth twice a day
=> OUR TEETH ARE CLEANED TWICE A DAY.
5. Our teachers explained the Englissh grammar
=> THE ENGLISH GRAMMAR WAS EXPAINED BY OUR TEACHERS
6. Some drunk drivers caused the accident in this city
=> THE ACCIDENT IS CAUSED BY SOEM DRUNK DRIVERS IN THE CITY.
7. Tom often visit his parents every month
=> TOM'S PARENTS ARE OFTEN VISITED BY HIM.
8. The manager didn't phone the secretary this morning
=> THE SECRETARY WASN'T PHONED BY THE MANAGER THIS MORNIGN.
9. Did Mary this beautiful dress
=> DID THIS BEAUTIFUL DRESS __- BY MARY ?
10. I don't hang these old pictures in the living room
=> THESE OLD PICTURES AREN'T HUNG IN THE LIVING ROOM.
Chuyển sang câu bị động
1. My father waters this flower every morning
=>This flowers is watered every morning by my father
2. John invited Fiona to his birthday party last night
=>Fiona was invited to John 's birthday party last night by John
3. Her mother prepared the dinner in the kitchen
=> The dinner was prepared by her mother in the kitchen
4. We clean our teeth twice a day
=>Our teeth are cleaned twice a day by us
5. Our teachers explained the Englissh grammar
=>The English grammar was explained by our teacher
6. Some drunk drivers caused the accident in this city
=>The accident was caused by some drunk drivers in this city
7. Tom often visit his parents every month
=>His parents are visited by Tom every month
8. The manager didn't phone the secretary this morning
=>The secretary wasn't phoned by the manager this morning
9. Did Mary this beautiful dress
=> Was this beautiful dress made by Mary ?
10. I don't hang these old pictures in the living room
=> These old pictures aren't hung in the living room