| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] not [pron] | 760 |
|
| 2 | [verb] [vb past] not [pron] | 204 |
|
| 3 | [verb] why [vb past] [pron] | 14 |
|
| 4 | [verb] why [vb past] not | 12 |
|
