| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] women 's [adj] service | 7 |
|
| 2 | [prep] [art] [noun pl] 's [adj] service | 7 |
|
| 3 | [prep] the [noun pl] 's [adj] service | 7 |
|
| 4 | [prep] [art] [noun pl] 's voluntary service | 6 |
|
