| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] at least [adj] | 337 |
|
| 2 | which [verb] at least [adj] | 45 |
|
| 3 | which [modal v] [verb] at [adj] | 22 |
|
| 4 | which [modal v] [verb] at least | 14 |
|
