| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not have [vb pp] [verb] | 143 |
|
| 2 | may [adv] have [vb pp] [verb] | 37 |
|
| 3 | may not [verb] [vb pp] [verb] | 7 |
|
| 4 | may not have [vb pp] [verb] | 7 |
|
| 5 | may [not/n't] have [vb pp] [verb] | 7 |
|
| 6 | may not have [verb] [verb] | 7 |
|
