| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [pers pn] refer | 119 |
|
| 2 | which [pers pn] refer [prep] | 61 |
|
| 3 | [prep] which [pers pn] [prep] | 23 |
|
| 4 | [prep] [pers pn] refer [prep] | 9 |
|
