| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] | 100221 |
|
| 2 | at [det] | 47363 |
|
| 3 | [prep] least | 112 |
|
| 4 | [prep] least | 112 |
|
| 5 | at least | 30 |
|
| 6 | at least | 30 |
|
