| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [noun] | 15341 |
|
| 2 | [vb mod] a [noun] | 763 |
|
| 3 | [vb mod] at [noun] | 80 |
|
| 4 | [vb mod] at a | 14 |
|
