| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] n't they [verb] | 132 |
|
| 2 | [conj] why [verb] they [verb] | 35 |
|
| 3 | [conj] [verb] n't they [verb] | 17 |
|
| 4 | [conj] why [verb] n't they | 11 |
|
