| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it may [conj] [modal v] not | 21 |
|
| 2 | it may [conj] [modal v] not | 21 |
|
| 3 | it may [conj] [modal v] [adv] | 21 |
|
| 4 | it may [conj] [modal v] [not/n't] | 21 |
|
