| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [noun pl] ' [noun] | 41 |
|
| 2 | [adv] a [noun pl] ' [noun] | 37 |
|
| 3 | [adv] at [noun pl] ' [noun] | 9 |
|
| 4 | [adv] at a [noun pl] ' | 5 |
|
