| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] known that [noun] | 52 |
|
| 2 | it [be] [adv] known that [noun] | 52 |
|
| 3 | it [is] [adv] known that [noun] | 43 |
|
| 4 | it [be] well known that [noun] | 40 |
|
| 5 | it is [adv] known that [noun] | 38 |
|
| 6 | it [be] [adv] known that [noun prp] | 19 |
|
| 7 | it [be] [adv] known that [noun pl] | 19 |
|
| 8 | it [be] [adv] known that [noun sg] | 14 |
|
| 9 | it was [adv] known that [noun] | 8 |
|
| 10 | it [was/were] [adv] known that [noun] | 8 |
|
| 11 | it 's [adv] known that [noun] | 5 |
|
| 12 | it [be] now known that [noun] | 5 |
|
