| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] [verb] | 5813 |
|
| 2 | [vb past] [verb] for | 4889 |
|
| 3 | which [verb] for | 1198 |
|
| 4 | which [vb past] for | 474 |
|
