| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] be [vb pp] | 1948 |
|
| 2 | not [adv] be [vb pp] | 978 |
|
| 3 | may not be [vb pp] | 505 |
|
| 4 | may not [adv] be | 284 |
|
