`->` The last time + S + V2/ed + was + .... = S + have/has + not + Vpp + since/for + .....
`->` S + last + V2/ed + in + mốc thời gian = S + have/has + not + Vpp + since + mốc thời gian
1. We haven't seen her since Christmas Day.
2. I haven't written to my uncle since July.
3. We haven't seen her since we left school.
4. She hasn't worn that dress since her sister's wedding.
5. We haven't seen her for 10 years
6. Her mother hasn't seen that film for many years.
7. Lan's brother hasn't gone to Japan since 2000.
8. They haven't written this story for a long time.
9. Minh hasn't played soccer since he was 10.
