| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [vb mod] cause | 11 |
|
| 2 | [prep] which [modal v] cause | 11 |
|
| 3 | [prep] which [modal v] cause | 11 |
|
| 4 | of which [modal v] cause | 9 |
|
| 5 | of which [modal v] cause | 9 |
|
