| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [pers pn] do [adv] | 14 |
|
| 2 | why [pron] do so | 10 |
|
| 3 | why [pron] did [adv] | 7 |
|
| 4 | why they do [adv] | 5 |
|
| 5 | why they do [adv] | 5 |
|
