Question

Answer 1

36. John promised to come to see her the next Sunday

37. We heard them sing all night

38. I have been studying at this school for only a few months

39. A valuable painting from the Art Gallery was stolen 

40. The floor hasn't been cleaned yet

Answer 2

36 John promised to come to see her the next day

37 We heard them singing at night

38 I have been studying at this school for a few months

39 A valuable painting was stolen from the Art Gallery

40 The floor has been cleaned yet