| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] why do n't we [vb infin] | 8 |
|
| 2 | [coord] why do n't we [verb] | 8 |
|
| 3 | but why do n't we [verb] | 5 |
|
| 4 | but why do n't we [verb] | 5 |
|
