| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] [adv] | 17947 |
|
| 2 | [subord] it [is] [adv] | 6295 |
|
| 3 | when [pron] [is] [adv] | 754 |
|
| 4 | when it [be] [adv] | 646 |
|
| 5 | when it [is] [adv] | 392 |
|
