| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] do [pron] [verb] [prep] | 1517 |
|
| 2 | [Wh adv] do [pron] [verb] [prep] | 1211 |
|
| 3 | why [verb] [pron] [verb] [prep] | 313 |
|
| 4 | why do [pron] [verb] [prep] | 262 |
|
