| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj -er] rate | 313 |
|
| 2 | a higher rate | 134 |
|
| 3 | a lower rate | 76 |
|
| 4 | a faster rate | 46 |
|
| 5 | a slower rate | 34 |
|
| 6 | a better rate | 10 |
|
| 7 | a cheaper rate | 6 |
|
| 8 | a greater rate | 5 |
|
