| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but why do n't [pron] | 20 |
|
| 2 | [coord] why do n't we | 12 |
|
| 3 | [conj] why do n't we | 12 |
|
| 4 | but why [verb] n't we | 8 |
|
| 5 | but why do n't we | 8 |
|
| 6 | but why do n't we | 7 |
|
| 7 | but [Wh adv] do n't we | 7 |
|
| 8 | but why do not we | 7 |
|
| 9 | but [adv] do n't we | 7 |
|
| 10 | but why do n't we | 7 |
|
| 11 | but why do [adv] we | 7 |
|
| 12 | but why do [not/n't] we | 7 |
|
| 13 | but why [vb base] n't we | 7 |
|
