1/ Tom delivers the mail every day
=> The mail is delivered every day by Tom.
2/ Fire destroyed that house
=> That house was destroyed by fire.
3/ Bob took that book from the desk
=> That book was taken from the desk by Bob.
4/ Barbara will eat the cake
=> The cake will be eaten by Barbara.
5/ Beth has finished the report
=> The report has been finished by Beth.
6/ The police easily captured the thief
=> The thief was easily captured by the police.
7/ The students attended the lecture
=> The lecture was attended by the student.
8/ The movie disappointed us very much
=> We were disappointed very much by the movie.
9/ Mr. John manages the export division
=> The export division is managed by Mr.Jonh.
10/ John returned the money last night
=> The money was returned last night by John.
11/ The teacher corrects our exercises
=> Our exercises are corrected by the teacher.
12/ They started a dancing class last week
=> A dancing class was started last week by them.
13/ Mr. Smith saw the accident
=> The accident was seen by Mr.Smith.
14/ Somebody has taken my briefcase
=> My briefcase has been taken.
15/ The teacher returned our written work to us
=> Our written work was returned to us by the teacher.
16/ She has finished the report by noon
=> The report has been finished by noon by her.
17/ The mad dog bit the little boy
=> The little boy was bitten by the mad dog.
18/ The police have arrested five suspects
=> Five suspects have been arrested by the police.
19/ The doctor ordered him to take a long rest
=> He was ordered to take a long rest.
20/ Lightning struck the house
=> The house was struck by lightning.