| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at a | 2179 |
|
| 2 | [adv] at [noun pl] | 871 |
|
| 3 | [adv] a [noun pl] | 385 |
|
| 4 | at a [noun pl] | 202 |
|
