| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] [noun] | 3388 |
|
| 2 | [subord] it [be] [noun] | 1406 |
|
| 3 | when [pron] [be] [noun] | 688 |
|
| 4 | when [pers pn] [be] [noun] | 482 |
|
| 5 | when it [be] [noun] | 169 |
|
| 6 | when it [be] [noun] | 169 |
|
