`1,` She has lived in Hanoi for 2 years.
`2,` He has studied English since he was young.
`->` Cấu trúc (câu 1 và 2):
S + started/ began + V-ing/to V + time + (ago)
= S + has/have + VpII + since/for + time
`3,` This is the first time I have eaten this kind of food.
`->` This is the first time + S + V(hiện tại hoàn thành)
`->` Lần đầu tiên làm việc gì.
`4,` She is the most beautiful girl I have seen.
`->` Cấu trúc so sánh nhất (với tính từ dài):
S + be + the most + adj + (N)