$#Hy$
`40` Papers written in pencils won't be accepted by the teacher.
`->` Bị động thì TLĐ: S + will + be + V_pp
`41` My briefcase has been taken (by somebody).
`->` Bị động thì HTHT: S + have/ has + been + V_pp
`42` Our written work was returned to us by the teacher.
`->` Bị động thì QKĐ: S + was/ were + V_pp
`43` Her report had been finished by soon.
`->` Bị động thì QKHT: S + had+ been + V_pp
`44` The little boy is bitten by the mad dog.
`->` Bị động thì HTĐ: S + is/ am/ are + V_pp
`45` Five suspects have been arrested by the police.
`->` Bị động thì HTHT: S + have/ has + been + V_pp
`46` He was ordered to take a long rest by the doctor.
`->` Bị động thì QKĐ: S + was/ were + V_pp
`47` The house was struck by the lightening.
`->` Bị động thì QKĐ: S + was/ were + V_pp
`48` The student's friends have been met by them at the railway station.
`->` Bị động thì HTHT: S + have/ has + been + V_pp
`49` Tom wasn't allowed to take these books home.
`->` Bị động thì QKĐ: S + was/ were + V_pp
`50` Exercises won't be corrected tomorrow by the teacher.
`->` Bị động thì TLĐ: S + will + be + V_pp
