what the hhhhhhhhhhhhhhhhhhhhhh

1. Lan has been living in Da Lat for 4 years.

2. My son has been studying English since he was young.

3. I have not eaten this kind of food before.

$Cấu$ $trúc$

$+)S + have/ has + VpII$

 $-)S + have/ has + not + VpII$

$Cách$ $làm$

$ta$ $sử$ $dụng$ $"been"$ $đằng$ $trước$ $V$ $(p2)$ $là$ $động$ $từ$ $chính$ $của$ $câu.$

`1.` Lan has lived in Da Lat for 4` years.

`2.` My son has studied English since he was young.

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

`---------------`

`-` S + started/began + to V + time + ago `|` when + clause

`=` S + have/has + P2 + for + time `|` since + clause

`-` S + have/has never + P2 + before

`=` This is the first time + S + have/has + P2