| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [pron] [vb mod] [verb] | 1041 |
|
| 2 | [prep] what [pron] [vb mod] [verb] | 1040 |
|
| 3 | on [pron] [pron] [vb mod] [verb] | 305 |
|
| 4 | on what [pron] [vb mod] [verb] | 74 |
|
| 5 | on what [pron] [modal v] [verb] | 74 |
|
