| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] may not be [verb] | 93 |
|
| 2 | [coord] may not be [vb pp] | 81 |
|
| 3 | or may not be [verb] | 69 |
|
| 4 | and may not be [verb] | 21 |
|
| 5 | [coord] may not be [v-ing] | 12 |
|
