Rewrite the sentences in the passive:
1 The pop star sang the song.
2 The chef hasn't made dinner.
3 An explorer has found a dinosaur egg
4 Mr. Miller will look after the baby.
5 They won't take him home after the party.
6 Someone left the front door open.
7 Jeremy didn't break the window
8 Someone is using the computer.
9 His brother taught him to drive
10 Many people speak English.
11 The doctor had already told him to go on the diet.
12 The author is writing a new book.
13 The police are questioning the suspects.
14 The chief and will post the letters.
15 People make pancakes from eggs, flour and milk.
16 Jill hasn't done the housework yet.
17 Helen had closed the windows before she left the house.
18 Emma is showing them some photographs.
19 The detective had collected all the information before he handed in his report.
20 Mary wants someone to help her when she paints the house.