| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun] | 8312 |
|
| 2 | on a [adj] [noun] | 775 |
|
| 3 | on at [adj] [noun] | 26 |
|
| 4 | on at a [noun] | 23 |
|
| 5 | on at a [adj] | 15 |
|
