| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj] [conj] | 417 |
|
| 2 | at the [adj] rate | 361 |
|
| 3 | the [adj] rate [conj] | 117 |
|
| 4 | at [adj] rate [conj] | 26 |
|
