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