| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun pl] officer | 245 |
|
| 2 | [noun pl] officer [was/were] | 106 |
|
| 3 | a [noun pl] [was/were] | 15 |
|
| 4 | a officer [was/were] | 12 |
|
