| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] some | 66 |
|
| 2 | have [vb pp] some years | 20 |
|
| 3 | have been [vb pp] years | 11 |
|
| 4 | been [vb pp] some years | 9 |
|
