| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] n't they [verb] | 132 |
|
| 2 | [verb] n't they [adv] [verb] | 38 |
|
| 3 | why [verb] n't they [adv] | 19 |
|
| 4 | why [verb] they [adv] [verb] | 18 |
|
