| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at a [adj -er] [noun] | 217 |
|
| 2 | [vb pp] at a [adj] rate | 69 |
|
| 3 | [verb] at a [adj -er] rate | 57 |
|
| 4 | [vb pp] [prep] a [adj -er] rate | 32 |
|
| 5 | [vb pp] [prep] a [adj -er] rate | 32 |
|
| 6 | [vb pp] at [art] [adj -er] rate | 24 |
|
| 7 | [vb pp] at [art] [adj -er] rate | 24 |
|
| 8 | [vb pp] at a [adj -er] rate | 23 |
|
| 9 | [vb pp] at a [adj -er] rate | 23 |
|
