| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why not ask [pers pn] | 5 |
|
| 2 | why [adv] ask [pers pn] | 5 |
|
| 3 | why not ask [pers pn] | 5 |
|
| 4 | why [not/n't] ask [pers pn] | 5 |
|
