| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] at a [adj -er] [noun sg] | 37 |
|
| 2 | have [vb pp] at a [adj -er] [noun] | 35 |
|
| 3 | [vb infin] [vb pp] at a [adj -er] [noun] | 31 |
|
| 4 | have [vb pp] at a [adj -er] [noun] | 31 |
|
| 5 | [verb] [vb pp] at a [adj -er] time | 30 |
|
| 6 | [verb] [vb pp] at a [adj -er] time | 30 |
|
| 7 | [verb] come at a [adj -er] [noun] | 23 |
|
| 8 | [verb] [vb pp] at a better [noun] | 16 |
|
| 9 | [verb] [vb pp] at a worse [noun] | 14 |
|
| 10 | [verb] [vb pp] at a [adj -er] rate | 5 |
|
| 11 | [verb] [vb pp] at a [adj -er] rate | 5 |
|
