| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] why [verb] not [pron] [verb] | 24 |
|
| 2 | [verb] why [vb past] not [pron] [verb] | 11 |
|
| 3 | [vb past] [adv] [vb past] not [pron] [verb] | 9 |
|
| 4 | [vb past] why [vb past] [adv] [pron] [verb] | 8 |
|
| 5 | [vb past] [Wh adv] [vb past] not [pron] [verb] | 8 |
|
| 6 | [vb past] why [vb past] not [pron] [verb] | 8 |
|
