| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [adv] [pers pn] | 2482 |
|
| 2 | why [verb] [not/n't] [pers pn] | 2481 |
|
| 3 | why [verb] not [pers pn] | 2478 |
|
| 4 | why [verb] not [pron] | 16 |
|
| 5 | [adv] [verb] not [pers pn] | 16 |
|
