| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [conj] [vb past] | 2984 |
|
| 2 | [prep] a [noun] [conj] [vb past] | 2984 |
|
| 3 | on [art] [noun] [conj] [vb past] | 1427 |
|
| 4 | on a [noun] [conj] [verb] | 532 |
|
| 5 | on a [noun] [conj] [vb past] | 202 |
|
