| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [noun] [prep] [adj] | 296 |
|
| 2 | may have been [noun] [prep] | 38 |
|
| 3 | may have been [prep] [adj] | 33 |
|
| 4 | may have [noun] [prep] [adj] | 28 |
|
