| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] at least [det] | 294 |
|
| 2 | [v-ing] [prep] at least | 81 |
|
| 3 | [v-ing] at least [det] | 40 |
|
| 4 | [v-ing] [prep] least [det] | 40 |
|
| 5 | [v-ing] [prep] at [det] | 12 |
|
