| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] do [pron] | 7924 |
|
| 2 | why [verb] [pron] | 3961 |
|
| 3 | why do [pron] | 3169 |
|
| 4 | why [vb base] [pron] | 1844 |
|
