| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] n't he | 170 |
|
| 2 | [conj] why [verb] n't | 112 |
|
| 3 | [conj] why [verb] he | 45 |
|
| 4 | [conj] [verb] n't he | 40 |
|
