| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] [adv] | 3872 |
|
| 2 | at [adj -est] [adv] | 56 |
|
| 3 | at best [adv] | 52 |
|
| 4 | at best [adv] | 48 |
|
| 5 | [prep] best [adv] | 48 |
|
| 6 | at good [adv] | 48 |
|
| 7 | [prep] best [adv] | 48 |
|
