| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] [adv] [verb] | 2453 |
|
| 2 | [subord] it [is] [adv] [verb] | 1209 |
|
| 3 | when [pron] [is] [adv] [verb] | 173 |
|
| 4 | when it [be] [adv] [verb] | 140 |
|
| 5 | when it [is] [adv] [verb] | 91 |
|
