| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] n't they | 159 |
|
| 2 | [coord] why [verb] n't | 111 |
|
| 3 | [coord] why [verb] they | 44 |
|
| 4 | [coord] [verb] n't they | 27 |
|
