| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] [adv] | 14812 |
|
| 2 | may not [vb infin] | 2830 |
|
| 3 | may [vb infin] [adv] | 2519 |
|
| 4 | may not [adv] | 584 |
|
