| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun] | 7717 |
|
| 2 | on a [adj] [noun] | 675 |
|
| 3 | on at [adj] [noun] | 81 |
|
| 4 | on at a [noun] | 22 |
|
| 5 | on at a [adj] | 16 |
|
