37. Why didn’t they help him?

-Why wasn’t he helped?

38. How many games has the team played?

-How many games have been played by the team?

39. Where do people speak English?

-Where is English spoken?

40. Who are they keeping in the kitchen?

-Who are being kept in the kitchen?

41. How can they open this safe?

- How can this be opened safe?

42. What books are people reading this year?

-What books are being read this year?

43. How did the police find the lost man?

-How was the lost man found by the police?

44. Who look after the children for you?

-By whom are the children looked after for you?

45. How long have they waited for the doctor?

-How long has the doctor been waited for?

46. What time can the boys hand in their papers?

-What time can their papers be handed in by the boys?

47. Who lend you this book?

- By whom is this book lent?

48. How many marks does the teacher give you?

-How many marks are given to you by the teacher?