| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] not [pron] | 2526 |
|
| 2 | why [verb] not [pers pn] | 2478 |
|
| 3 | [adv] [verb] not it | 259 |
|
| 4 | why [verb] not it | 23 |
|
| 5 | why [verb] [adv] it | 23 |
|
