| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [verb] [conj] when it | 6 |
|
| 2 | [subord] it [verb] [conj] when it | 5 |
|
| 3 | it [verb] [conj] when it [verb] | 9 |
|
| 4 | it [verb] [conj] when it [vb -s] | 6 |
|
