| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] may have been [adj] | 225 |
|
| 2 | [noun] may have [adj] [noun] | 152 |
|
| 3 | may have been [adj] [noun] | 53 |
|
| 4 | [noun] may have been [noun] | 30 |
|
