| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] known that | 189 |
|
| 2 | [noun sg] it [be] [adv] that | 16 |
|
| 3 | [noun sg] it [be] [adv] known | 13 |
|
| 4 | [noun sg] it [be] known that | 6 |
|
