| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] to have been [verb] [prep] | 530 |
|
| 2 | to have been [verb] [prep] [noun prp] | 217 |
|
| 3 | [vb pp] to have [verb] [prep] [noun prp] | 107 |
|
