| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not have | 5394 |
|
| 2 | [modal v] not have | 5394 |
|
| 3 | may not [verb] | 2834 |
|
| 4 | may [adv] have | 2658 |
|
| 5 | may not have | 836 |
|
| 6 | may [not/n't] have | 836 |
|
| 7 | may not have | 834 |
|
