| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] known that | 189 |
|
| 2 | it [be] [adv] that [noun] | 187 |
|
| 3 | it [be] known that [noun] | 54 |
|
| 4 | [be] [adv] known that [noun] | 53 |
|
