| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] known that [noun] [verb] | 17 |
|
| 2 | it be known that [noun] [verb] | 17 |
|
| 3 | it [be] known that [noun] [vb past] | 13 |
|
| 4 | it is known that [noun] [verb] | 10 |
|
| 5 | it [is] known that [noun] [verb] | 10 |
|
| 6 | it [be] known that [noun prp] [verb] | 8 |
|
| 7 | it [be] known that [noun] have | 6 |
|
| 8 | it [be] known that [noun] had | 6 |
|
| 9 | it was known that [noun] [verb] | 5 |
|
| 10 | it [be] known that [noun sg] [verb] | 5 |
|
| 11 | it [was/were] known that [noun] [verb] | 5 |
|
