`-` S + have / has + never + VpII + ( such + a / an + adj + N ) + before

`=>` Chưa từng làm gì

`-` This is the first time + S + have / has + VpII

`=>` Lần đầu tiên làm gì

`-` S + haven't / hasn't + VpII + for time / since timeline

`=>` Chưa làm gì

`-` S + last + Ved / V2 + for time / since timeline 

`=>` Lần cuối làm gì

`31`.I have never seen such an interesting film before

`32`.Trang has never been to Sa Pa before

`33`.I have never talked to a foreigner before

`34`.This is the first time my sister has gone abroad

`35`.This is the first time we have driven a car

`36`.

`-` I haven't seen her for `3` months

`-` I last saw her `3` months ago

`\text{# TF}`

31. I have never seen such an interesting film before.

32. Trang has never has been to Sapa before

33. I have never talked to a foreigner before.

34. This is the first time my sister has gonna aboard

35. This is the first time we have driven car

36. I haven't seen her for 3 months

I last seen her 3 months ago

Cấu trúc the last time:  The last time + S + V ed+ was + time + ago: Lần cuối cùng làm gì

=> S + last + Ved + time+ ago

=> S + have/ has +not+ for + time

Cấu trúc the first time: This is the first time + S +have/has+P2: Lần đầu làm gì

=> S +have/ has + never + P2+ before

=> S+ have/ has not+ P2+ before