17 the kitchen have been tidied by them
18 a book is going to be written by her on her traveling around the country
19 the police's questions wasn't answered by him
20 
21 meals is cooked by my sister every day
22 the floor was cleaned by my mother yesterday
23 ten email has been written for two hours by my friend
24 our house is being painted by my father
25 some food were being bought by my sister at 11 a.m yesterday
26 a pencil is used to draw beautiful pictures by my brother
27 their work had been finished by them before you came yesterday
28 this flower is watered by my father every morning
29 Fiona was invited by John to his birthday party last night
30 the dinner is being prepared by her mother in the kitchen