| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] n't [pers pn] ask | 20 |
|
| 2 | [Wh adv] did n't [pers pn] ask | 19 |
|
| 3 | [Wh adv] [vb past] n't [pers pn] ask | 18 |
|
| 4 | [Wh adv] [vb past] n't you ask | 14 |
|
