Viết lại các câu sau sang thể bị động

40. All students attended the meeting.

41. He can’t repair my bike.

42. Mary has operated Tom since 10 o’clock.

43. Mr. Smith has taught us French for 2 years.

44. They didn’t look after the children properly.

45. Nobody swept this street last week.

46. People drink a great deal of tea in England.

47. Tom was writing 2 poems.

48. Someone had invented electric lights before I was born.

50. My father takes care of our garden every morning.

51. John invited Tim to his bachelor party 2 days ago.

52. Her sister is preparing brunch in the kitchen.

53. We should clean our teeth twice a day.

54. Our teachers have explained the English grammar.

55. Some drunk drivers caused the accident

56. They will visit their parents next month.

57. The manager didn’t phone the secretary this morning.

58. Did she buy this beautiful shirt?

59. I won’t miss her anymore