$\text{Đáp án:}$

         → S + have/has never + VII befor

        →  S + last + V-ed/VII+.../The last time + S + V-ed/VII was ...

        →  S + haven't/hasn't + VII + since/for ...

1. She hasn't visited me for five years.

2. We have become close friends for a long time.

3. This is the first time I have visited such a beautiful sight.

4. This is the first time she has won first prize.

5. It's the first time we have tasted fish and chips.

6. It's nearly five years since the last time my brother saw his best friend.

1 The last time she visited me was five years ago

=> She hasn't visited me for five years 

Form: S + have/has (not) + Vp2 + for (khoảng thời gian)/ since (mốc thời gian ) + time

2 It's long time since we became close friend

=> We have become close friends for a long time.

3 This is the most beautiful sight I have ever visited

=> This is the first time I have visited such a beautiful sight.

4 She has never won the first prize before

=> This is the first time she has won first prize.

5 We've never tasted fish and chips before

=> It's the first time we have tasted fish and chips.

6

My brother hasn't seen his best friend for nearly five years

=> It's nearly five years since the last time my brother saw his best friend

Form : This is the first time + S + have / has + .... (công thức cô mk dạy thôi, sai đừng ném đá ạ ;(