| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] rate | 433 |
|
| 2 | at a [adj] rate | 296 |
|
| 3 | at a [adj -er] rate | 137 |
|
| 4 | at a high rate | 46 |
|
| 5 | at a fast rate | 36 |
|
| 6 | at a higher rate | 35 |
|
| 7 | at a faster rate | 35 |
|
| 8 | at a constant rate | 32 |
|
| 9 | at a constant rate | 32 |
|
| 10 | at a low rate | 31 |
|
| 11 | at a slow rate | 30 |
|
| 12 | at a slower rate | 29 |
|
| 13 | at a reduced rate | 28 |
|
| 14 | at a reduced rate | 28 |
|
| 15 | at a lower rate | 27 |
|
| 16 | at a steady rate | 17 |
|
| 17 | at a steady rate | 15 |
|
| 18 | at a rapid rate | 14 |
|
| 19 | at a rapid rate | 14 |
|
| 20 | at a fixed rate | 13 |
|
| 21 | at a fixed rate | 13 |
|
| 22 | at a great rate | 11 |
|
| 23 | at a high rate | 11 |
|
| 24 | at a flat rate | 10 |
|
| 25 | at a flat rate | 10 |
|
| 26 | at a cheap rate | 8 |
|
| 27 | at a specified rate | 6 |
|
| 28 | at a similar rate | 6 |
|
| 29 | at a specified rate | 6 |
|
| 30 | at a similar rate | 6 |
|
