| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been [prep] [adj] | 612 |
|
| 2 | [pers pn] may have been [adj] | 112 |
|
| 3 | [pers pn] may have been [prep] | 43 |
|
| 4 | may have been [prep] [adj] | 33 |
|
| 5 | [pers pn] may have [prep] [adj] | 15 |
|
