| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a officers [unc] | 5 |
|
| 2 | [prep] a officers [unc] | 5 |
|
| 3 | a [adj] officers [unc] | 7 |
|
| 4 | a [adj] officers [unc] | 7 |
|
| 5 | a officers [unc] [noun sg] | 7 |
|
| 6 | a officers [unc] [noun] | 7 |
|
