| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't been [verb] [prep] [adj] years | 9 |
|
| 2 | n't been [vb pp] [prep] [adj] years | 9 |
|
| 3 | [verb] n't been [prep] [adj] years | 6 |
|
| 4 | have n't been [prep] [adj] years | 6 |
|
