| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] [verb] [conj] | 2316 |
|
| 2 | [subord] it [be] [verb] [conj] | 1275 |
|
| 3 | when [pron] [be] [verb] [conj] | 488 |
|
| 4 | when [pers pn] [be] [verb] [conj] | 479 |
|
| 5 | when it [be] [verb] [conj] | 247 |
|
| 6 | when it [be] [verb] [conj] | 247 |
|
