| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] [noun] [pron] | 452 |
|
| 2 | [subord] it [be] [noun] [pron] | 109 |
|
| 3 | when [pron] [be] [noun] [pron] | 30 |
|
| 4 | when it [be] [noun] [pron] | 6 |
|
