| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [vb pp] on | 2640 |
|
| 2 | may [verb] been [vb pp] | 987 |
|
| 3 | may [verb] [vb pp] on | 45 |
|
| 4 | may [verb] been on | 9 |
|
