Chuyen cau chu dong sang cau bi dong:
1.they have planted many trees in the park
--> Many trees have been planted in the park.
2.the police caught the criminal yesterday
--> The criminal was caught by the police yesterday.
3.our school team won the final game
--> The final game was won by ourr school team.
4.Dr Ba will treat the patient
--> The patient will be treated by Dr Ba.
5.millions of tourists have visited our country this year
--> Our country have been visited by millions of tourists this year.
6.the children may eat all the candy
--> All the candy may be eaten by the children.
7.someone must take this old table away today
--> This old table must be taken away today.