41. ⇒ I haven't taken photographs for years.
42. ⇒ I haven't watched TV since new years day.
43. ⇒ He hasn't written to me for 3 months.
44. ⇒ I haven't been aboard since 1978.
45. ⇒ That house hasn't lived in for ten years.
46. ⇒ I last saw was 2 months ago.
47. ⇒ The last time I was to a concert over a year ago.
48. ⇒ I haven't enjoyed myself for your birthday party.
49. ⇒ My father hasn't seen his brother for nearly 20 years.
50. ⇒ How long is it have you learned to drive ?
Giải Thích :
- Dựa vào 5 dạng của câu thì hiện tại hoàn thành và quá khứ đơn.