| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't [pers pn] ask [noun] | 12 |
|
| 2 | why do [not/n't] you ask [noun] | 12 |
|
| 3 | why do [not/n't] [pers pn] ask [noun prp] | 11 |
|
