| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [not/n't] [vb infin] [vb pp] | 333 |
|
| 2 | may [not/n't] yet [vb infin] | 15 |
|
| 3 | [not/n't] yet [vb infin] [vb pp] | 14 |
|
