| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [conj] [vb past] | 708 |
|
| 2 | [prep] [conj] [vb past] | 708 |
|
| 3 | before [conj] [verb] | 82 |
|
| 4 | before [conj] [vb past] | 43 |
|
