| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [pers pn] serve | 35 |
|
| 2 | which [pers pn] serve [prep] | 24 |
|
| 3 | [prep] which [pers pn] [prep] | 23 |
|
| 4 | [prep] [pers pn] serve [prep] | 10 |
|
