| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] n't he write | 5 |
|
| 2 | why [verb] not he write | 5 |
|
| 3 | why [verb] [not/n't] he write | 5 |
|
| 4 | why do [adv] he write | 5 |
|
