| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [noun] [prep] | 2828 |
|
| 2 | when it [verb] [prep] | 2068 |
|
| 3 | when [verb] [noun] [prep] | 325 |
|
| 4 | when it [verb] [noun] | 190 |
|
| 5 | when it [noun] [prep] | 5 |
|
