| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by a [noun] [conj] | 1400 |
|
| 2 | a police [noun] [conj] | 73 |
|
| 3 | by a police [noun] | 53 |
|
| 4 | by police [noun] [conj] | 19 |
|
