1. The last time I played football was in 2000
2. I haven't been abroad since the summer of 1978.
3. I last saw him 2 months ago.
4. I haven't watched TV since New Year's day
5. The last time he wrote to me was April.
6. She last had a swim 5 years ago
7. They haven't talked to each other for two months.
8. She hasn’t seen her elder sister since 1999
9. It’s years since she last wrote to me
Công thức :
1. S + have/has + V3/-ed
⇔ It has been + [thời gian] + since + S + V2/-ed + …
2. S + have/has + NOT + V3/-ed + since/for …
⇔ S + last + V2/-ed + when + S + V
⇔ The last time + S + V + was …
3. This is the first time + S + have/has + V3/-ed
⇔ S + have/has + never (not) + V3/-ed + before