| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [not/n't] [vb infin] | 2830 |
|
| 2 | they may [vb infin] | 2318 |
|
| 3 | they may [not/n't] | 385 |
|
| 4 | they [not/n't] [vb infin] | 77 |
|
