| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not been [verb] for years | 9 |
|
| 2 | have not been [verb] for year | 9 |
|
| 3 | [verb] not been [vb pp] for year | 9 |
|
| 4 | [verb] not been [verb] for year | 5 |
|
