| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | usually [verb] at least [adj] | 11 |
|
| 2 | usually [verb] at least [num] | 10 |
|
| 3 | usually [vb -s] at least [adj] | 5 |
|
| 4 | usually [vb infin] at least [adj] | 5 |
|
