| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a [noun] officer who | 10 |
|
| 2 | [vb pp] [prep] a [noun] officer who | 7 |
|
| 3 | [prep] a [noun] officer who [verb] | 9 |
|
| 4 | [prep] a [noun] officer who [vb past] | 6 |
|
