| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] may [vb infin] been [noun] [prep] | 7 |
|
| 2 | [pers pn] may have been [noun] [prep] | 7 |
|
| 3 | [pers pn] may have been [noun] [prep] | 7 |
|
| 4 | it may [verb] been [noun] [prep] | 5 |
|
