| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [pron] [verb] [prep] | 1542 |
|
| 2 | [prep] what [pron] [verb] [prep] | 1542 |
|
| 3 | to [pron] [pron] [verb] [prep] | 466 |
|
| 4 | to what [pron] [verb] [prep] | 174 |
|
