| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not been for [adj] years | 6 |
|
| 2 | [verb] not been for [adj] years | 6 |
|
| 3 | not been [vb pp] for [adj] years | 21 |
|
| 4 | not been [verb] for [adj] years | 21 |
|
