12 this office is cleaned by women in the evening
13 the upstairs offices are cleaned by them between seven and eight
14 he wasn't never seen by us in the dining room
15 all his meals were taken up by a maid to him
16 this purse was left by someone in a classroom yesterday
17 the purse was found by cleaner
18 over 1000 new houses were built by us last year
19 1500 houses are being built by us this year
20 hot meals are served by us until 10.30 pm
21 coffee and sandwiches can be ordered up by guests to 11.30 pm
22 all sorts of things are left by passengers in buses
23 the things are collected by the conductors
24 the things are sent by the conductors to the lost property office
25 the ill man was taken by an ambulance to the hospital
26 people are killed and injured by drunk drivers on the roads every year
27 the warehouse was wared by dogs
28 a thief was seen by a dog
29 the police was called the watchman
30 the man was arrested by the police