| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [adv] do [pron] [vb infin] [prep] | 5 |
|
| 2 | why [adv] do [pers pn] [verb] [prep] | 5 |
|
| 3 | why [adv] do [pron] [verb] [prep] | 5 |
|
