| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] may be [verb] | 863 |
|
| 2 | may not be [verb] | 586 |
|
| 3 | [Wh det] may not be | 91 |
|
| 4 | [Wh det] may not [verb] | 51 |
|
