| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] [verb] been | 768 |
|
| 2 | may [adv] [verb] [det] | 513 |
|
| 3 | [adv] [verb] been [det] | 181 |
|
| 4 | may [verb] been [det] | 49 |
|
