| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj] rate [conj] | 73 |
|
| 2 | at [adv] the [adj] [conj] | 35 |
|
| 3 | at [adv] the [adj] rate | 19 |
|
| 4 | [adv] the [adj] rate [conj] | 6 |
|
