| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [pers pn] [adv] | 113 |
|
| 2 | so why do [adv] | 71 |
|
| 3 | so why do [pers pn] | 49 |
|
| 4 | so do [pers pn] [adv] | 17 |
|
