| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb base] n't we | 232 |
|
| 2 | but why [vb base] n't | 28 |
|
| 3 | but why [vb base] we | 11 |
|
| 4 | but [vb base] n't we | 5 |
|
