| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have been [verb] [prep] some | 11 |
|
| 2 | may have been [vb pp] [prep] some | 11 |
|
| 3 | may have been [verb] [prep] some | 11 |
|
| 4 | may have been [verb] in some | 5 |
|
