36. The report about polluted environment has been typed by Nga for 2 hours.

37. The ballpoint pen was invented by Brothers Lazlo and Geogre Biro.

38. The window was broken and some money was taken away by the boy.

39. The tree in the garden was cut down yesterday.

40. A huge pictures was painted to raise fund for the poor children by the artist.

41. Some articles about the damage of 11th storm was written by Mai.

42. Coffee was being made while I walked into the kitchen.

43. The electical sockets were being fixed by my father at this time yesterday.

44. The meeting was being held by SJC Company while it began to rain.

45. The ladder was being mended by Mrs Green at ten yesterday.