| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [num] [noun sg] | 4050 |
|
| 2 | at [num] [adv] | 3151 |
|
| 3 | [num] [adv] [noun sg] | 632 |
|
| 4 | at [adv] [noun sg] | 371 |
|
