| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] n't he write | 6 |
|
| 2 | [Wh adv] [verb] n't he write | 6 |
|
| 3 | why [verb] n't he write | 6 |
|
| 4 | why [verb] n't he write | 6 |
|
