| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [verb] [prep] | 135355 |
|
| 2 | when [verb] [prep] | 4697 |
|
| 3 | [conj] when [verb] | 676 |
|
| 4 | [conj] when [prep] | 155 |
|
