| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [pron] [verb] | 20235 |
|
| 2 | why [pron] [verb] | 5794 |
|
| 3 | why [vb -s] [pron] | 356 |
|
| 4 | why [vb -s] [verb] | 13 |
|
