| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [adv] [pron] [verb] [adv] | 305 |
|
| 2 | why [verb] [adv] [pron] [verb] [adv prt] | 202 |
|
| 3 | [adv] do [adv] [pron] [verb] [adv prt] | 201 |
|
