| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] at least | 294 |
|
| 2 | [vb past] [verb] at least | 130 |
|
| 3 | [vb past] [to-vb] at [adv] | 66 |
|
| 4 | [vb past] [to-vb] at least | 42 |
|
| 5 | [vb past] [to-vb] [prep] least | 42 |
|
| 6 | [vb past] [to-vb] [prep] least | 42 |
|
