| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adv] a | 1388 |
|
| 2 | at [adv] a | 1376 |
|
| 3 | [prep] only a | 1015 |
|
| 4 | at only [art] | 29 |
|
| 5 | at only a | 20 |
|
