| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [pers pn] work [prep] | 8 |
|
| 2 | [prep] which [pers pn] worked [prep] | 8 |
|
| 3 | in which [pers pn] work [prep] | 8 |
|
| 4 | [prep] which they work [prep] | 7 |
|
