| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] not [pron] | 294 |
|
| 2 | why [adv] [pron] | 86 |
|
| 3 | why not [pron] | 29 |
|
| 4 | why [not/n't] [pron] | 29 |
|
