| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [noun] service | 1642 |
|
| 2 | [prep] [art] police [noun] | 1561 |
|
| 3 | [prep] [art] police [noun sg] | 1368 |
|
| 4 | [prep] [art] [noun pl] service | 58 |
|
| 5 | [prep] [art] police service | 27 |
|
| 6 | [prep] [art] police service | 26 |
|
| 7 | [prep] [art] police service | 26 |
|
| 8 | [prep] [art] police service | 26 |
|
