| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [vb pp] [prep] | 2823 |
|
| 2 | [vb mod] have been [vb pp] for | 235 |
|
| 3 | have been [vb pp] for [prep] | 77 |
|
| 4 | [vb mod] have [vb pp] for [prep] | 7 |
|
