| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [noun] | 15341 |
|
| 2 | at [art] [noun pl] | 7504 |
|
| 3 | at [art] [noun pl] | 7504 |
|
| 4 | [prep] a [noun pl] | 2925 |
|
| 5 | [prep] a [noun pl] | 2925 |
|
| 6 | at a [noun pl] | 202 |
|
| 7 | at a [noun pl] | 172 |
|
