| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why does [pers pn] [adv] | 12 |
|
| 2 | why [vb -s] he [adv] | 8 |
|
| 3 | why [vb -s] it [adv] | 7 |
|
| 4 | why [vb -s] [pers pn] always | 5 |
|
