I haven't...............................
2 It's ten year1 The last time I was aboard was in the summer of 1978
->s since that house was lived in
-> That house..................................
3 I haven't seen him for 2 months
-> I last........................
3 I haven't seen him for 2 months
-> I last......saw him was 2 months ago...........
1 The last time I was aboard was in the summer of 1978
I haven't.........been aboard since the summer of 1978......
2 It's ten years since that house was lived in
-> That house......hasn't been lived in for ten years .......................
3 I haven't seen him for 2 months
-> I last........saw him was 2 months ago................