`1.` She has lived in Hanoi for 2 years.

`-` QKĐ `⇔` HTHT:

S + started/began + to V/V-ing + (khoảng thời gian) + ago

(Ai đó bắt đầu làm gì bao lâu trước)

`=` S + have/has + Vpp + for + (khoảng thời gian)

(Ai đó đã làm gì trong bao lâu)

`2.` He has studied English since he was young.

`-` CT: since + S + Ved/c2 `->` 1 DHNB của thì HTHT

`-` QKĐ `⇔` HTHT:

S + started/began + to V/V-ing + when + S + Ved/c2

(Ai đó bắt đầu làm gì từ khi nào)

`=` S + have/has + Vpp + since + S + Ved/c2

(Ai đó đã làm gì từ khi nào)

`3.` This is the first time I have (ever) eaten this kind of food.

`-` CT: It/This is the first time + S + have/has + (ever) + Vpp

`->` Đây là lần đầu tiên ai đó làm điều gì

`4.` She is the most beautiful girl I have (ever) seen.

`-` Phân tích: Chưa bao giờ gặp người xinh thế này `=` Cô ấy là người xinh nhất từng gặp

`-` CT: S + have/has + Vpp + such + a/an + adj + N + before

`=` S + tobe + so sánh hơn nhất + S + have/has + (ever) + Vpp

`5.` I have never read such a good novel before.

`-` CT như trên.

`1.` She has lived in Hanoi for 2 years.

   `->` Thì HTHT : S `+` have/has `+` Vɪɪɪ `+` for `+` time

`2.` He has studied English since he was young.

   `->` Thì HTHT : S `+` have/has `+` Vɪɪɪ `+` since `+` S `+` V-ed/Vɪɪ

`3.` This is the first time I have eaten this kind of food.

   `->` Thì HTHT: This is `+` the firest/second/... `+` time `+`  S `+` have/has `+` Vɪɪɪ 

`4.` She is the most beautiful girl I have ever seen.

   `->` Thì HTHT : S `+` be `+` the `+` most `+` adj/adj so sánh nhất `+` S `+` have/has `+` (ever) `+` Vɪɪɪ

`5.` I have never read such a good novel before.

   `->` Thì HTHT: S `+` have/has `+` never `+` Vɪɪɪ `+` such `+` (a/an) `+` adj `+` N `+` before.

`#hpt`