| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] n't he [vb infin] | 114 |
|
| 2 | why [verb] he [adv] [vb infin] | 54 |
|
| 3 | [verb] n't he [adv] [vb infin] | 22 |
|
| 4 | why [verb] n't he [adv] | 12 |
|
