| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [vb pp] for | 235 |
|
| 2 | have been [vb pp] for some | 101 |
|
| 3 | [modal v] have [vb pp] for some | 9 |
|
| 4 | [modal v] have been [vb pp] some | 5 |
|
