| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why does [pers pn] [adv] [vb infin] | 11 |
|
| 2 | why [vb -s] he [adv] [vb infin] | 6 |
|
| 3 | why [vb -s] it [adv] [vb infin] | 5 |
|
