| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] at least [adj] | 337 |
|
| 2 | [adj] [verb] at least [adj] | 107 |
|
| 3 | [adj] [modal v] [verb] at [adj] | 33 |
|
| 4 | [adj] [modal v] [verb] at least | 23 |
|
