30, The report has been finished at noon

O + have/has+ been + Ved/3 + ..+ by

31, Five suspects have been arrested by the police

O + have/has+ been + Ved/3 + ..+by 

32, The bill has been paid by Kerrie

O + have/has+ been + Ved/3 + ..+by

33, A Hamburher has been eaten 

O + have/has+ been + Ved/3 + ..+by

34, the present has been opened 

O + have/has+ been + Ved/3 + ..+ by 

35, The book hasn't been read 

O + have/has+ been + Ved/3 + ..+ by

@@Q

cấu trúc bị động ở thì htht : has/have been ved/v3

30 : she has finished the report at noon

=> the report has been finished at noon by she

31 : the police have arrested five suspects

=> five suspects have been arrested by the police

32 : kerrie has paid the bill

=> the bill has been paid by kerrie

33 : i have eaten a hamburger

=> the hamburger have been eaten (by me)

34 : i have opened the present

=> the present has been opened by me

35 : they have not read the book

=> the book hasn't been read by them

nếu dc thì cho chị tlhn, 5sao và cmon nhaa