| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on a [noun] [conj] | 1964 |
|
| 2 | [noun prp] on a [noun] | 539 |
|
| 3 | [noun prp] on [noun] [conj] | 403 |
|
| 4 | [noun prp] a [noun] [conj] | 228 |
|
