| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [adv] known [that] | 27 |
|
| 2 | [conj] it is [adv] known that | 27 |
|
| 3 | [conj] it is well known [that] | 15 |
|
| 4 | [coord] it is [adv] known [that] | 14 |
|
| 5 | [subord] it is [adv] known [that] | 11 |
|
| 6 | but it is [adv] known [that] | 9 |
|
| 7 | but it is [adv] known [that] | 9 |
|
| 8 | [conj] it is now known [that] | 8 |
|
| 9 | and it is [adv] known [that] | 5 |
|
| 10 | and it is [adv] known [that] | 5 |
|
