| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [not/n't] [pron] | 2529 |
|
| 2 | [verb] [not/n't] [pron] [vb pp] | 628 |
|
| 3 | why [verb] [pron] [vb pp] | 365 |
|
