| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] not [pers pn] | 743 |
|
| 2 | then why [vb past] [pers pn] | 45 |
|
| 3 | then [vb past] not [pers pn] | 30 |
|
| 4 | then why [vb past] not | 22 |
|
