| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is | 37027 |
|
| 2 | [subord] it is | 16460 |
|
| 3 | when it be | 3592 |
|
| 4 | when it [be] | 3592 |
|
| 5 | when [pron] is | 2405 |
|
| 6 | when it [is] | 2023 |
|
| 7 | when it is | 1290 |
|
