| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] n't he do | 8 |
|
| 2 | [Wh adv] do n't he do | 8 |
|
| 3 | [Wh adv] [vb -s] n't he do | 6 |
|
| 4 | [Wh adv] does n't he do | 6 |
|
