| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [vb infin] been [adv] | 279 |
|
| 2 | may [vb infin] been [noun] | 110 |
|
| 3 | may [vb infin] [adv] [noun] | 38 |
|
| 4 | [vb infin] been [adv] [noun] | 26 |
|
