| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] a [det] [noun] | 241 |
|
| 2 | [vb past] on [prep] a [noun] | 187 |
|
| 3 | [vb past] on [prep] [det] [noun] | 111 |
|
| 4 | on [prep] a [det] [noun] | 39 |
|
| 5 | [vb past] on [prep] a [det] | 15 |
|
