| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have been [prep] [adj] [noun] | 14 |
|
| 2 | may have been [prep] [adj] [noun] | 14 |
|
| 3 | may have been [prep] [adj] [noun sg] | 12 |
|
| 4 | may have been of [adj] [noun] | 7 |
|
| 5 | may have been in [adj] [noun] | 6 |
|
