| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] n't he [vb pp] | 22 |
|
| 2 | why had [adv] he [vb pp] | 22 |
|
| 3 | why [vb past] [not/n't] he [vb pp] | 22 |
|
| 4 | why [vb past] not he [vb pp] | 22 |
|
