42, The documents shouldn’t be left on the desk.

43, Can this problem be solved by you?

44, How many languages can be spoken by you?

45, I will be met at the airport by John tomorrow.

46, A new school is going to be opened here by them next month.

47, More trees are going to be grown in the front garden by us.

48, My house is going to be repainted by me next month.

49, The road will have to be widened by them soon.

50, These trees have to be watered by me every day.

51, These victims had to be taken to the hospital by us last night.

52, He couldn’t be helped.

53, These machines haven’t been used for several years.

54, I am often given a new Ao Dai by my sister on my birthday.