| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adv] [art] [noun pl] | 113 |
|
| 2 | at [adv] the [noun pl] | 108 |
|
| 3 | at [adv] the [noun pl] | 108 |
|
| 4 | at least [art] [noun pl] | 90 |
|
| 5 | at once [art] [noun pl] | 14 |
|
| 6 | at [adv] a [noun pl] | 5 |
|
