| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [verb] | 52212 |
|
| 2 | [prep] [pron] when | 2115 |
|
| 3 | [pron] when [verb] | 221 |
|
| 4 | [prep] when [verb] | 94 |
|
