| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [vb past] [adv] | 77923 |
|
| 2 | why [pers pn] [vb past] | 2919 |
|
| 3 | why [pers pn] [adv] | 263 |
|
| 4 | why [vb past] [adv] | 13 |
|
