| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] at an [adj] | 166 |
|
| 2 | [verb] at an [adj] rate | 111 |
|
| 3 | [noun] at an [adj] rate | 48 |
|
| 4 | [noun] [verb] at [adj] rate | 12 |
|
| 5 | [noun] [verb] an [adj] rate | 7 |
|
