| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so why do [pron] [vb infin] [adv] | 9 |
|
| 2 | so why do [pron] [verb] [adv] | 9 |
|
| 3 | so why do [pers pn] [verb] [adv] | 9 |
|
| 4 | so why do [pron] [verb] [adv prt] | 6 |
|
