| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [det] | 11403 |
|
| 2 | which [vb past] [prep] | 8214 |
|
| 3 | which [vb past] [det] | 1231 |
|
| 4 | which [prep] [det] | 798 |
|
