| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but why do n't [pers pn] | 20 |
|
| 2 | but why do n't you | 9 |
|
| 3 | but why do n't you | 9 |
|
| 4 | but why do n't we | 7 |
|
| 5 | but why do n't we | 7 |
|
