| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] [art] | 8667 |
|
| 2 | which cause [art] | 198 |
|
| 3 | [vb past] cause [art] | 164 |
|
| 4 | which [vb past] cause | 68 |
|
