| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [conj] it [is] | 1921 |
|
| 2 | [coord] when [pron] [is] | 301 |
|
| 3 | [coord] when it [be] | 272 |
|
| 4 | [conj] when it [is] | 239 |
|
