| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have been [prep] | 145 |
|
| 2 | may have been [prep] | 145 |
|
| 3 | [modal v] have been among | 18 |
|
| 4 | may have [been] among | 6 |
|
| 5 | may [verb] been among | 6 |
|
| 6 | may have [be] among | 6 |
|
| 7 | may have been among | 6 |
|
| 8 | may have be among | 6 |
|
