2. Open the brackets. Use the proper tense form.

41. The stewardesses (to serve) lunch to the passengers for about an hour before they sat down.

42. Tom (to search) for gold in these hills for 3 months but there is no sign of it.

43. John (to learn) French for 4 years by the time of his going to Paris.

44. She (to practise) for a month and I think she will pass her driving test.

45. George (to collect) matchboxes before he left school.

46. It is 6 p.m. now and Jack is tired because he (to work) hard all day.

47. He looked angry. ..... he (to argue)?

48. They (to look) through the old photograph album when a woman came and asked everybody for tea.

49. By 6 I (to wait) here nearly for half an hour for Mary. Do you think she has forgotten to come?

50. Are you sunbathing? – Don’t be ridiculous. It (to rain) the whole day.

51. She (to look) through her old photograph album for an hour.

52. By March these disasters (to continue) for a long time already.

53. Mrs. Brown (to live) next door for quite a long time before I went away.

54. I (to wait) for the prices to come down for 2 weeks already, but in vain.

55. By June he (to look for) a new car for about some months already.

56. You must wake her! She (to sleep) soundly for 5 hours running when her friends come.

57. Peter (to look) for a better post for a week before he found something suitable.

58. Someone (to use) my umbrella. It was wet.

59. I (to watch) the birds from my window since last week.

60. George (to wait) for an hour before the bus came.

61. In 15 minutes she (to look for) her books for an hour.

62. He (to paint) for 5 years but he hasn’t painted a single picture yet.

63. He (to read) books on history for some time when his Dad came.

64. By tomorrow I (to work) for Jones and Company for 2 years already.

65. I (to grow) strawberries for years but I haven’t had such a good crop before.

66. John (to live) in Miami for one year when his parents came to visit him.

67. She (to paint) for 5 years but didn’t sell a single picture.

68. The car (to flip) for 10 minutes before it landed on its roof.

69. He (to mend) sheets all the morning but he only did 3.

70. In 5 minutes he (to ring) the bell for half an hour.

71. By tomorrow he (to wait) for her here for a week.

72. My friend says that he (to try) to repair his car for a week by the beginning of the next year.

73. By May he (to try) to learn English for years.

74. He (to look) for a better post for a week but so far he hasn’t found it.

75. In 20 minutes she (to sit) for her portrait for a year.

76. I wonder, if something has happened to Tom. I (to wait) for him for an hour now.

77. He (to work) for Crow Brothers for 40 years.

78. In a month she (to have) English lessons for a week.

79. They (to have) an enjoyable time in the South for some time when we come to see them.

80. I (to do) housework all the morning and it isn't finished yet.