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

- S + have/has + not + Vpp + before.

= So sánh nhất + that + S + have/has + ever + Vpp

`3`. It is the first time that I have had such a cold winter.

- It is the first time + S + have/has + Vpp

= S + have/has + never + Vpp + before.

`4`. She hasn't kissed me for 5 months.

- S + have/has + not + Vpp + for + khoảng thời gian

= The last time + S + V2/ed + was + thời gian + ago

`5`. We haven't met for a long time.

- It is + thời gian + since + S + last + V2/ed

- S + have/has + not + Vpp + for + khoảng thời gian

`6`. She has driven for 1 month.

- S + have/has + Vpp + for + khoảng thời gian

= S + started + Ving + thời gian + ago

1. She is the most beautiful girl that I have ever seen.

This is the Superlative (...est/ most ADJ N) S +have/has+P2

=> S +have/ has + never + P2+ such a/an+ ADJ+ N

2. It is the first time that I have had such a cold winter.

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

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

3. She hasn't kissed me for 5 months.

S + have/ has +not+ for + time

=> The last time + S + V ed+ was + time + ago.

4. We haven't met for a long time.

S + have/ has +not+ for + time

=> It’s + time+ since + S + last + Ved.

5. She has been driving for 1 month.

S + began / started + to V/ V-ing + time ago

=> S + have/has + P2 / been Ving+ for / since ...