| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [noun] | 113139 |
|
| 2 | [prep] the rate | 1252 |
|
| 3 | [prep] the rate | 1252 |
|
| 4 | at [art] rate | 736 |
|
| 5 | at [art] rate | 736 |
|
| 6 | at the rate | 328 |
|
| 7 | at the rate | 328 |
|
