| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did [pers pn] do it | 40 |
|
| 2 | why [vb past] you do it | 22 |
|
| 3 | why [vb past] i do it | 7 |
|
| 4 | why [vb past] they do it | 6 |
|
| 5 | why [vb past] he do it | 5 |
|
