| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it 's [verb] | 1809 |
|
| 2 | when it be [verb] | 1501 |
|
| 3 | when it [be] [verb] | 1501 |
|
| 4 | when it [is] [verb] | 736 |
|
| 5 | when [pron] 's [verb] | 360 |
|
