| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [verb] [prep] | 6945 |
|
| 2 | to what [pron] [verb] | 796 |
|
| 3 | to [pron] [verb] [prep] | 689 |
|
| 4 | to what [verb] [prep] | 134 |
|
