| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [vb pp] for some years | 15 |
|
| 2 | [verb] been [vb pp] for some years | 15 |
|
| 3 | have been [vb pp] for some years | 15 |
|
| 4 | [vb -s] been [vb pp] for some years | 8 |
|
| 5 | has been [vb pp] for some years | 6 |
|
