| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] n't you | 1632 |
|
| 2 | why [vb past] n't [pron] | 757 |
|
| 3 | why [vb past] n't [pers pn] | 740 |
|
| 4 | [adv] [vb past] n't you | 536 |
|
| 5 | why [vb past] [not/n't] you | 422 |
|
| 6 | why [vb past] not you | 422 |
|
| 7 | why [vb past] [adv] you | 422 |
|
| 8 | why [vb past] n't you | 421 |
|
