| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] [verb] been | 520 |
|
| 2 | may [adv] [verb] [noun sg] | 380 |
|
| 3 | [adv] [verb] been [noun sg] | 75 |
|
| 4 | may [verb] been [noun sg] | 41 |
|
