| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb -s] [pers pn] [verb] | 233 |
|
| 2 | [vb -s] not [pers pn] [verb] | 32 |
|
| 3 | why [vb -s] not [pers pn] | 10 |
|
