| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [vb pp] have been [vb pp] [prep] | 7 |
|
| 2 | have [vb pp] have been [verb] [prep] | 7 |
|
| 3 | [vb infin] had have been [verb] [prep] | 7 |
|
| 4 | [vb infin] [vb pp] to have been [verb] [prep] | 5 |
|
