| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't [pron] do | 61 |
|
| 2 | why [vb base] n't [pers pn] do | 61 |
|
| 3 | why [vb base] n't you do | 38 |
|
| 4 | why [vb base] n't you do | 38 |
|
| 5 | why [vb base] n't we do | 17 |
|
| 6 | why [vb base] n't we do | 17 |
|
