| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [verb] [prep] | 10539 |
|
| 2 | [pron] [verb] it [prep] | 8738 |
|
| 3 | when [pron] [verb] it | 1700 |
|
| 4 | when [verb] it [prep] | 12 |
|
