Explanation:
1) the emails weren't sent by them.
2)The grass was cut by her.
3) Chocolate is preferred by my friend.
4)Cars are often stolen by him
5)Music is played loud by my brother.
6)English is spoken by my mother
7)London parks are loved by my uncle
8)Staff is wanted by the company
9)Articles are written by journalists
10) Julie is loved by Peter
11)Books aren't read by her sister
12) Dinner isn't cooked by her mother every day
13) Milk is delivered by the milkman in the mornings
14)Flowers aren't bought for the flat
15)the car isn't washed by the neighbours every week
16)Every Friday, the policeman writes a report
17)the roads aren't fixed in the country
18)houses aren't building houses every year by our friends
19) vegetables are sold by the farmer in the market