| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [verb] [prep] | 799 |
|
| 2 | [prep] which [vb past] [prep] | 227 |
|
| 3 | [prep] [pron] appeared [prep] | 120 |
|
| 4 | [prep] which appear [prep] | 22 |
|
