52. 

-> I haven't watched TV since new year's day. (HTHT)

53.

-> He hasn't written to me for 3 months. (HTHT)

54.

-> I haven't gone abroad since the summer of 1978. (HTHT)

55.

-> That house has lived for 10 years. (HTHT)

56.

-> I last saw him 2 months ago. (QKD)

57.

-> The last time I was to a concert was over a year. (QKD)

58.

-> I haven't really enjoyed myself since your birthday party. (HTHT)

59.

-> My father hasn't seen his brother for nearly 20 years. (HTHT)

60.

-> How long is it since you learnt / learned to drive ? 

61.

-> I haven't gone swimming since we were in Spain. (HTHT)

62. 

-> It's weeks since you tidied this room.

63. 

-> We have been looking for a flat for 2 months (HTHTTD)

64.

-> I haven't been to a night club before. (HTHT)

65. 

-> This is the first time I have heard such a thing. (HTHT)

66. 

-> This is the first time his authority has been challenged. (HTHT-bị động)

67.

-> It is 2 years since she left school.

68.

-> I have never known a more warm-hearted person than my mother. (HTHT)

69.

-> It is over a year since I was able to see them. 

70.

-> It has rained since 2 o'clock.

71.

-> It is the first time I have been to the ballet. (HTHT)

72.

-> It is twenty years since John and Mary moved to Edinburgh.

- Cách giải :

+ Nhận biết HTHT :

Before: Trước đây

Ever: Đã từng

Never: Chưa từng, không bao giờ

For + quãng thời gian: Trong khoảng ( VD: for years, for a long time,..)

Since + mốc thời gian: Từ khi (Since 2001,…)

Yet: Chưa (dùng trong câu phủ định và câu nghi vấn)

The first / second time : Lần đầu tiên / thứ hai.

+ Nhận biết QK đơn :

Ago : Đã qua, trong quá khứ.

+ CT chuyển đổi :

-> It's + thời gian + since + QK đơn.

-> S + last + Ve/ed +was + thời gian + ago.

-> HTHT : S + have/has + V3/ed + since/for + thời gian.

-> Bị động của HTHT : have/has been V3/ed.

-> HTHT tiếp diễn S + have/has + been + Ving.