| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been for | 62 |
|
| 2 | would [vb infin] been for | 22 |
|
| 3 | must [vb infin] been for | 14 |
|
| 4 | may [vb infin] been for | 10 |
|
| 5 | might [vb infin] been for | 7 |
|
