| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is known that [art] | 17 |
|
| 2 | [subord] it is known that [art] | 11 |
|
| 3 | it is [adv] known that [art] | 41 |
|
| 4 | it is [adv] known that [art] | 41 |
|
| 5 | it is well known that [art] | 31 |
|
| 6 | it is well known that [art] | 31 |
|
| 7 | it is now known that [art] | 5 |
|
| 8 | it is now known that [art] | 5 |
|
| 9 | it is known that [art] [noun] | 26 |
|
| 10 | it is known that [art] [noun sg] | 22 |
|
| 11 | it is known that [art] [adj] | 11 |
|
| 12 | it is known that [art] [adj] | 10 |
|
