10. They moved the fridge into the living room. => The fridge 11. She bought some cups of tea to the visitors in the next room. => Some cups of tea 12. They keep this room tidy all the time. => This room 13. My father waters this flowers every morning.=> The flowers 14. Her mother is preparing the dinner in the kitchen.=> The dinner 15. Our teachers have explained the English grammar.=> The English 16. The students have discussed the pollution problems since last week. => The pollution problems 17. He has broken his nose in a football match.=> His nose 18. The waiter brings me this dish.=> I

`10` The fridge was moved into the living room

`-` Bị động thì QKD: S + was/were + Vpp + ( by +O ) 

`11` Some cups of tea were bought to the visitors in the next room.

`12` This room is kept tidy all the time

`-` Bị động thì HTD : S + is/are/am+ Vpp + ( by + O) 

`13` The flowers are watered by my father every morning 

`14` The dinner is being prepared in the kitchen by her mother

`-` Bị động thì HTTD : S + is/are/am + being + Vpp + ( by + O) 

`15` The English grammar has been explained by our teachers 

`-` Bị động thì HTHT: S + has/have + been + Vpp + ( by + O) 

`16` The pollution problems have been discussed by the students since last week

`17` His nose has been broken in a football match 

`18`  I am brought this dis by the waiter