| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] been [verb] for [adj] years | 21 |
|
| 2 | [not/n't] been [vb pp] for [adj] years | 21 |
|
| 3 | [not/n't] been [verb] for [num] years | 15 |
|
| 4 | not been [verb] for [adj] years | 13 |
|
| 5 | n't been [verb] for [adj] years | 8 |
|
| 6 | [not/n't] been [verb] for [det] years | 6 |
|
