| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun sg] | 9454 |
|
| 2 | on a [adj] [noun sg] | 781 |
|
| 3 | on at [adj] [noun sg] | 59 |
|
| 4 | on at a [noun sg] | 23 |
|
| 5 | on at a [adj] | 19 |
|
