| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [pron] [not/n't] [vb infin] | 124 |
|
| 2 | why [vb base] [pron] [adv] [vb infin] | 96 |
|
| 3 | [adv] [vb base] [pron] [not/n't] [vb infin] | 61 |
|
| 4 | why [vb base] [pron] [not/n't] [verb] | 48 |
|
