| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [no cls] why [verb] n't [pron] | 5 |
|
| 2 | why [no cls] why [verb] n't [pers pn] | 5 |
|
| 3 | why [no cls] why do n't [pron] | 5 |
|
