| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [verb] [prep] | 3413 |
|
| 2 | when it [verb] [prep] | 2068 |
|
| 3 | [verb] when [verb] [prep] | 437 |
|
| 4 | [verb] when it [verb] | 375 |
|
