| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | officer [unc] [noun] | 502 |
|
| 2 | officer [unc] [noun sg] | 407 |
|
| 3 | [noun] [unc] training | 293 |
|
| 4 | officer [unc] training | 9 |
|
