| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [not/n't] [verb] so | 6 |
|
| 2 | [Wh adv] [not/n't] [vb infin] so | 6 |
|
| 3 | [Wh adv] not [verb] so | 6 |
|
