44. This is the first time I have visited Ha Long Bay.

−- Cấu trúc: S+ have/ has+ not/ never+ Vpp+...+ before.

≈≈ This is the first time+ S+ have/ has+ Vpp

55. The last time I cheated in exam was years ago.

hoặc: I ( last) cheated in exam years ago.

hoặc: It's years since I ( last) cheated in exam.

−- Cấu trúc: S+ have/ has+ not+ Vpp+...+ for+ khoảng TG

≈≈ S+ ( last)+ Ved/ V2+...+ khoảng TG+ ago

≈≈ The last time+ S+ Ved/ V2+...+ was+ khoảng TG+ ago

≈≈ It's+ khoảng TG+ since+ S ( last)+ Ved/ V2+...

66. I began to marry 1010 years ago.

−- Cấu trúc: S+ have/ has+ Vpp+...+ for+ khoảng TG

≈≈ S+ began/ started+ to V/ Ving+...+ khoảng TG+ ago

77. When did she live in Da Nang??

−- Cấu trúc: How long+ hvae/ has+ S+ Vpp+...??

≈≈ When+ did+ S+ V+...??

88. The last time I smoked was 22 years ago.

hoặc: I ( last) smoked 22 years ago.

hoặc: It's 22 years since I ( last) smoked.

−- giải thích giống câu 55

99. I started learning French 33 years ago.

−- giải thích giống câu 66

1010. The last time I met her was 55 days ago.

hoặc: I ( last) met her 55 days ago.

hoặc: It's 55 days since I ( last) met her.

−- giải thích giống câu 5