| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [verb] [Wh det] | 134 |
|
| 2 | [prep] a [noun] [verb] [Wh det] | 134 |
|
| 3 | on a [noun] [verb] [pron] | 99 |
|
| 4 | on [art] [noun] [verb] [Wh det] | 26 |
|
| 5 | on a [noun] [verb] [Wh det] | 5 |
|
