| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [verb] | 31884 |
|
| 2 | [Wh adv] do | 17428 |
|
| 3 | [Wh adv] [to-vb] | 10707 |
|
| 4 | [adv] to do | 2594 |
|
