14.the teacher gives me mark 10 for my English test
--> 10 mark is given to me by the teacher for my english test
15.my mother cleans the floor everyday
--> The floor is cleaned by my mother every day
16.mrs lan usually feeds the dog
--> The dog is usually feeded by mrs. lan
17.alexander grahan bell inevnted the phone in 1876
--> The phone was invented by alexander graham bell in 1876
18.nam repainted the shool gate last week
--> The school gate was repainted by nam last week
19.people can use the train a lot
--> Tha train can be used a lot
20.christoper discorvered american in 1949
--> America was discoveried by christoper in 1949
21.minh has seen the accident on the road
--> The accident as been seen by minh on the road
22.my father told the funny story last night
--> The funny story was told by my father last night
23.the policeman took Lam to the police station
--> Lan was taken to the police station by the police man
24.mr ha repaired this machine yesterday
--> This machine was repaired by mr. ha yesterday
25.my mother cleans the kitchen
--> The kitchen is cleaned by my mother