| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [vb pp] | 5959 |
|
| 2 | who have been [vb pp] | 2294 |
|
| 3 | who [vb mod] have [vb pp] | 695 |
|
| 4 | who [vb mod] have been | 242 |
|
