| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] n't we [vb infin] | 189 |
|
| 2 | [verb] n't we [vb infin] [pers pn] | 41 |
|
| 3 | why [verb] we [vb infin] [pers pn] | 15 |
|
