| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adv] as | 189 |
|
| 2 | at least as | 165 |
|
| 3 | at least as | 165 |
|
| 4 | at once as | 14 |
|
| 5 | at once as | 14 |
|
