| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] [conj] it [is] | 477 |
|
| 2 | [adv] when it [is] | 301 |
|
| 3 | [adv prt] when [pron] [is] | 73 |
|
| 4 | [adv prt] when it [be] | 57 |
|
