49. My father hasn't sên his brother for nearly 20 years .

50. How long it is since you have learned to drive ?

51. I haven't gone swimming since we were in Spain .

52. It's weeks since you last tidied this room .

53. We have been looking for a flat for 2 months .

54. I haven't been to a night club before .

55. This is the first time they have heard such a thing .

56. This is the first time his authority has been challenged .

57. It is 2 years since they left university .

58. I have never known a more warm-hearted person than my brother .

59. It is over a years since I last saw them .

Bad_KDT_DFC_Kill All

49. My father hasn't sên his brother for nearly 20 years.

50. How long it is since you have learned to drive ?

51. I haven't gone swimming since we were in Spain.

52. It's weeks since you last tidied this room.

53. We have been looking for a flat for 2 months.

54. I haven't been to a night club before.

55. This is the first time they have heard such a thing.

56. This is the first time his authority has been challenged.

57. It is 2 years since they left university.

58. I have never known a more warm-hearted person than my brother.

59. It is over a years since I last saw them.