| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been [verb] for | 1683 |
|
| 2 | [pron] may have been [verb] | 328 |
|
| 3 | [pron] may have [verb] for | 34 |
|
| 4 | may have been [verb] for | 30 |
|
