| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [adj] rate | 295 |
|
| 2 | [verb] [vb pp] at a [adj] | 136 |
|
| 3 | [vb pp] at a [adj] rate | 97 |
|
| 4 | [verb] [vb pp] a [adj] rate | 11 |
|
| 5 | [verb] [vb pp] at a rate | 6 |
|
