| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [noun] | 3612 |
|
| 2 | [conj] it [noun] | 164 |
|
| 3 | [subord] it [noun] | 74 |
|
| 4 | when it [noun] | 11 |
|
