| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it [verb] to [noun] | 461 |
|
| 2 | it [verb] to [noun] [prep] | 173 |
|
| 3 | when it [verb] [noun] [prep] | 66 |
|
| 4 | when [verb] to [noun] [prep] | 26 |
|
