| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] [verb] been [noun] | 20 |
|
| 2 | may [adv] [vb infin] been [noun] | 20 |
|
| 3 | may [adv] have been [noun] | 20 |
|
| 4 | may [adv] have been [noun] | 20 |
|
| 5 | may well [verb] been [noun] | 10 |
|
| 6 | may [adv] [verb] been [noun pl] | 10 |
|
| 7 | may [adv] [verb] been [noun sg] | 7 |
|
