| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] an [adj] [noun pl] [noun] | 95 |
|
| 2 | operate an [adj] [noun] [noun] | 17 |
|
| 3 | operate [art] [adj] [noun pl] [noun] | 11 |
|
| 4 | operate [art] [adj] [noun pl] [noun] | 11 |
|
| 5 | operate a [adj] [noun pl] [noun] | 11 |
|
