| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [art] [noun sg] services | 161 |
|
| 2 | of the [noun sg] services | 159 |
|
| 3 | of [art] security services | 26 |
|
| 4 | of [art] health services | 20 |
|
| 5 | of [art] manpower services | 15 |
|
| 6 | of [art] emergency services | 12 |
|
| 7 | of [art] intelligence services | 9 |
|
