| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been [adj] | 5442 |
|
| 2 | [pers pn] may have been | 663 |
|
| 3 | may have been [adj] | 548 |
|
| 4 | [pers pn] may have [adj] | 196 |
|
