| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] do [pron] [adv] [verb] | 353 |
|
| 2 | why do [pron] [adv] [verb] | 247 |
|
| 3 | why [verb] [pron] [adv] [verb] | 159 |
|
