| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | running at an [adj] rate [prep] | 8 |
|
| 2 | running at an [adj] rate [prep] | 8 |
|
| 3 | running at an [adj] rate of | 7 |
|
| 4 | running at an [adj] rate of | 7 |
|
