| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [adv] [verb] been [art] | 356 |
|
| 2 | [modal v] [adv] [verb] been [art] | 356 |
|
| 3 | may [adv] [verb] been [art] | 138 |
|
| 4 | may [adv] [verb] [been] [art] | 99 |
|
| 5 | may [adv] [verb] been [art] | 99 |
|
| 6 | may [adv] [verb] be [art] | 99 |
|
| 7 | may [adv] [verb] [be] [art] | 99 |
|
| 8 | may [adv] [verb] been [art] | 99 |
|
