| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] at least [adj] | 2622 |
|
| 2 | [verb] at least [adj] | 2330 |
|
| 3 | [prep] [verb] at [adj] | 511 |
|
| 4 | [prep] [verb] at least | 74 |
|
