| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] not [pron] [verb] | 674 |
|
| 2 | [vb past] why [vb past] not [pron] | 8 |
|
| 3 | [vb past] why [vb past] [pron] [verb] | 6 |
|
| 4 | [vb past] [vb past] not [pron] [verb] | 5 |
|
