| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have been [prep] [adj] [noun] | 21 |
|
| 2 | may have been [prep] [adj] [noun sg] | 18 |
|
| 3 | may have been [prep] [adj] [noun] | 14 |
|
| 4 | may have been in [adj] [noun] | 10 |
|
| 5 | may have been [prep] [det] [noun] | 7 |
|
| 6 | may have been of [adj] [noun] | 7 |
|
