| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [verb] [verb] [noun] | 667 |
|
| 2 | when [pron] [verb] [verb] [noun] | 638 |
|
| 3 | [subord] it [verb] [verb] [noun] | 299 |
|
| 4 | when it [verb] [verb] [noun] | 48 |
|
