| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | use of [noun] services | 23 |
|
| 2 | use of [noun] service | 23 |
|
| 3 | use of [noun sg] service | 21 |
|
| 4 | use of health service | 13 |
|
| 5 | use of health service | 13 |
|
