| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is known [conj] [adj] [noun] | 21 |
|
| 2 | it [is] known that [adj] [noun] | 20 |
|
| 3 | it [is] known [that] [adj] [noun] | 20 |
|
| 4 | it [is] known that [adj] [noun] | 20 |
|
| 5 | it [is] known [conj] [adj] [noun] | 13 |
|
| 6 | it [is] known [conj] [adj] [noun pl] | 11 |
|
| 7 | it [is] known [conj] [adj] [noun sg] | 9 |
|
| 8 | it [is] known [conj] [det] [noun] | 8 |
|
