| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at a [adj] speed | 17 |
|
| 2 | [vb pp] at a [adj] speed | 12 |
|
| 3 | [verb] at a constant speed | 11 |
|
| 4 | go at a [adj] speed | 7 |
|
