11, When does he usually do his homework ?
⇒ When is his homework usually done by him?
12, The boys broke the window and took away some pictures
⇒ The window was broken and took away some pictures by the boys.
13, People spend a lot of money on advertising everyday
⇒ A lot of money are spent on advertising everyday.
14, My parents never make me work hard
⇒ I am never made to work hard by my parents.
15, How often do you take the dog out for a walk
⇒ How often is the dog taken out for a walk - Every five hours .
16, They told the new pupil where to sit
⇒ The new pupil was told where to sit .
17, No one believes this story
⇒ This story isn't believed.
18, Our boss often shouts at us at work
⇒ We are often shouted at work by our boss .
19, They didn't look after the children peoperly
⇒ The children weren't looked after properly.
20, People make butter and cheese from milk
⇒ Butter and cheese are made from milk.