| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may not be [adv] | 557 |
|
| 2 | not be [adv] [conj] | 148 |
|
| 3 | may be [adv] [conj] | 94 |
|
| 4 | may not be [conj] | 13 |
|
