| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be known that [adj] [noun] | 29 |
|
| 2 | it [is] known that [adj] [noun] | 20 |
|
| 3 | it is known that [adj] [noun] | 20 |
|
| 4 | it [be] known that [adj] [noun] | 15 |
|
| 5 | it [be] known that [adj] [noun pl] | 15 |
|
| 6 | it [be] known that [det] [noun] | 13 |
|
| 7 | it [be] known that [adj] [noun sg] | 13 |
|
| 8 | it [was/were] known that [adj] [noun] | 6 |
|
| 9 | it was known that [adj] [noun] | 5 |
|
