| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] [pers pn] [verb] | 1292 |
|
| 2 | but [vb past] [pers pn] [verb] | 254 |
|
| 3 | but why [vb past] [pers pn] | 60 |
|
| 4 | but why [pers pn] [verb] | 20 |
|
