| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [noun sg] a [noun] | 847 |
|
| 2 | at [num] [noun sg] [noun] | 325 |
|
| 3 | at [noun sg] a [noun] | 75 |
|
| 4 | at [num] [noun sg] a | 49 |
|
| 5 | at [num] a [noun] | 30 |
|
