| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at an [adj] | 710 |
|
| 2 | at an [adj] rate | 194 |
|
| 3 | [verb] at [adj] rate | 47 |
|
| 4 | [verb] an [adj] rate | 33 |
|
