| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb base] not [pron] | 1626 |
|
| 2 | [adv] [vb base] not i | 117 |
|
| 3 | why [verb] not i | 117 |
|
| 4 | why [vb base] [adv] i | 58 |
|
