37. Why didn’t they help him?
why wasn't he helped ?
38. How many games has the team played?
how many games has 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 safe be opened?
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.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 the boy’s papers be handed in
47. Who lend you this book?
By whom is this book lent to you?
48. How many marks does the teacher give you?
how many marks are given to you by the teacher?
49. They paid me a lot of money to do the job.
a lot of money was paid to me to do the job
50. The teacher gave each of us two exercise books.
two exercise books were given to each of us by the teacher