| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] at least [art] [adj] | 48 |
|
| 2 | [verb] at least [art] [det] | 21 |
|
| 3 | [to-vb] at [adv] [art] [det] | 13 |
|
| 4 | [to-vb] [prep] least [art] [det] | 9 |
|
