| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] [prep] | 172093 |
|
| 2 | when [verb] [prep] | 4697 |
|
| 3 | when [verb] [pron] | 681 |
|
| 4 | when [pron] [prep] | 122 |
|
