| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] at [noun] | 42381 |
|
| 2 | at a [noun] | 15341 |
|
| 3 | [noun sg] a [noun] | 13650 |
|
| 4 | [noun sg] at a | 6084 |
|
