| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been for | 62 |
|
| 2 | [vb mod] have [been] for | 62 |
|
| 3 | would have [been] for | 22 |
|
| 4 | must have [been] for | 14 |
|
| 5 | may have [been] for | 10 |
|
| 6 | might have [been] for | 7 |
|
