| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] known that | 189 |
|
| 2 | [noun] it [be] [adv] that | 26 |
|
| 3 | [noun] it [be] [adv] known | 14 |
|
| 4 | [noun] it [be] known that | 7 |
|
