| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | operating at [adj] [noun sg] | 15 |
|
| 2 | operating at [adj] [noun pl] | 10 |
|
| 3 | operating at full [noun] | 8 |
|
| 4 | operating at [adj] speed | 6 |
|
| 5 | operating at different [noun] | 5 |
|
