| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] ['s] | 7732 |
|
| 2 | [prep] a [noun] ['s] | 7732 |
|
| 3 | on [art] [noun] ['s] | 3924 |
|
| 4 | on a [noun] [unc] | 539 |
|
| 5 | on a [noun] ['s] | 482 |
|
