| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why [pron] do it | 6 |
|
| 2 | [adv] why [pers pn] do it | 6 |
|
| 3 | [adv] why do it [vb infin] | 12 |
|
| 4 | [adv] why do it [verb] | 12 |
|
