| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] by | 12653 |
|
| 2 | would have been [vb pp] | 1413 |
|
| 3 | would have [vb pp] by | 50 |
|
| 4 | would have been by | 6 |
|
