| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] may not be [vb pp] | 81 |
|
| 2 | [coord] may [not/n't] be [vb pp] | 81 |
|
| 3 | or may [not/n't] be [vb pp] | 58 |
|
| 4 | and may [not/n't] be [vb pp] | 20 |
|
