36. Magazines are not so informative as newspapers.

 -> Newspapers  are more informative than magazines.

37. We haven’t met each other for two years.

 -> The last time we met was two years ago.

38. People have used the internet all over the world.

 -> The internet  has been used all over the world.

39.  “Is your father working in the garden now?” he said to me.

 -> He asked me  if my father was working in the garden then.

40. The cost of living has fallen considerably in the past month.

->   There has been a considerable fall in the cost of living in the past month.