| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] may not [vb infin] | 103 |
|
| 2 | [noun prp] may [not/n't] [vb infin] | 103 |
|
| 3 | [noun prp] may [not/n't] have | 57 |
|
| 4 | [noun prp] may [not/n't] know | 5 |
|
