| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on [pron] [pron] [vb mod] [verb] | 305 |
|
| 2 | [prep] [Wh pn] [pron] [vb mod] [verb] | 262 |
|
| 3 | on [Wh pn] [pron] [modal v] [verb] | 17 |
|
