S + LAST + V2/ed = S HAVEN'T / HASN'T = THE LAST TIME + S + V2/ed + was +...when/...ago
6. I haven't played tennis since 1990.
-> The last ......................................................................................................
-> I last ...........................................................................................................
7. I haven't seen him for two months.
-> I last ...........................................................................................................
-> The last ......................................................................................................
9. I last heard from him in July.
-> I have .........................................................................................................
-> I last ...........................................................................................................
10. I last read that book on November 20th.
-> The last ......................................................................................................
-> I have .........................................................................................................
6. I haven't played tennis since 1990.
→ The last time I played tennis was in 1990.
→ I last played tennis in 1990
7. I haven't seen him for two months.
→ I last saw him two months ago.
→ The last time I saw him was two months ago.
9. I last heard from him in July.
→ I have not heard from him since July.
→ I last heard from him in July.
10. I last read that book on November 20th.
→ The last time I read that book was on November 20th.
→ I have not read that book since November 20th
