| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [adj] [noun pl] [noun] [was/were] | 11 |
|
| 2 | an [adj] [noun pl] [noun sg] [was/were] | 11 |
|
| 3 | an [adj] [noun pl] [noun] was | 11 |
|
| 4 | an [adj] police [noun] [was/were] | 6 |
|
