| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] | 57817 |
|
| 2 | [subord] it [is] | 24815 |
|
| 3 | when [pron] [is] | 4023 |
|
| 4 | when it [be] | 3592 |
|
| 5 | when it [is] | 2023 |
|
