| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [noun sg] at a [adj] rate | 23 |
|
| 2 | [verb] [noun sg] at a [adj] rate | 17 |
|
| 3 | [verb] [noun sg] at an [adj] rate | 10 |
|
| 4 | [v-ing] [noun sg] at a [adj] rate | 7 |
|
| 5 | [to-vb] [noun sg] at a [adj] rate | 7 |
|
| 6 | [vb base] [noun sg] at a [adj] rate | 5 |
|
