| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun pl] officer | 83 |
|
| 2 | a [noun pl] officer [pron] | 20 |
|
| 3 | [prep] a officer [pron] | 15 |
|
| 4 | [prep] a [noun pl] [pron] | 13 |
|
| 5 | [prep] [noun pl] officer [pron] | 11 |
|
