| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been [vb pp] some years | 5 |
|
| 2 | have been [vb pp] [prep] some years | 15 |
|
| 3 | have been [vb pp] [prep] some years | 15 |
|
| 4 | have been [vb pp] for some years | 15 |
|
| 5 | have been [vb pp] for some years | 15 |
|
