Chuyển từ câu chủ động sang câu bị động

19 : he used to borrow my pen

=> my pen used to be borrowed by him

20 : he had finish his work on time 

=> his work has to be finished on time by him

21 : you needn't do all the homework 

=> all the homework needn't be done by you

22 : you ought to tell him early

=> he ought to be told early by you

23 : they don't use the room very often

=> the room isn't very often used by them

24 : they must widen the road to school this year

=> the road to school must be widened by them this year

25 : have you done your homework ? 

=> have been your homework done by you ?

26 : did you finish your work early ?

=> was your homework finished early by you ?

27 : she has to pick fruit very early in the morning

=> fruit has to be picked very early in the morning

28 : the house was dirty because she hadn't cleaned it for weeks

=> the house hadn't been cleaned for weeks

cấu trúc passive voice / câu bị động : s + v + by o (object - tân ngữ)

nếu được thì cho tớ tlhn, 5sao và cảm ơn ạa <3