I 've never met such a famous person before. It is the first time ______________________________________________________ She hasn't seen that boy here before. It is the first time __________________________________________________________ She hasn't written to us since last year. The last time _________________________________________________________ I have learned English for four years. We started ___________________________________________________________ It is three years since I last spoke to her. I have not ______________________________________________________________ Lan hasn’t been in Vinh city since last month. The last time __________________________________________________________ We haven’t played soccer since 2008. The last __________________________________________________________ We have never seen him before. This is the first time ______________________________

1. I've never met such a famous person before.

$\rightarrow$ It is the first time I have ever met such a famous person.

$\rightarrow$ It is the first time + S + have / has + ever + V3 / V-ed + such + O.

2. She hasn't seen that boy here before.

$\rightarrow$ It is the first time she has seen that boy here.

$\rightarrow$ It is the first time + S + have / has + V3 / V-ed + O.

3. She hasn't written to us since last year.

$\rightarrow$ The last time she wrote to us was last year.

$\rightarrow$ The last time + S + V2 / V-ed + O + was + specific time (thời gian cụ thể).

4. I have learned English for four years.

$\rightarrow$ We started learning English 4 years ago.

$\rightarrow$ S + V2 / V-ed + V-ing + O + specific time (thời gian cụ thể).

5. It is three years since I last spoke to her.

$\rightarrow$ I have not spoken to her for 3 years.

$\rightarrow$ S + have not / has not + V3 + O + for + period of time (khoảng thời gian).

6. Lan hasn’t been in Vinh city since last month.

$\rightarrow$ The last time Lan went in Vinh city was last month.

$\rightarrow$ The last time + S + V2 / V-ed + O + was + specific time (thời gian cụ thể).

7. We haven’t played soccer since 2008.

$\rightarrow$ The last time we played soccer was at 2008.

$\rightarrow$ The last time + S + V2 / V-ed + O + was + specific time (thời gian cụ thể).

8. We have never seen him before.

$\rightarrow$ This is the first time we have seen him.

$\rightarrow$ The is the first time + S + have / has + V3 + O.

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