| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [adv] [verb] | 1542 |
|
| 2 | [pron] [adv] to do | 412 |
|
| 3 | what [adv] do | 398 |
|
| 4 | what [adv] [to-vb] | 80 |
|
