| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is known that | 60 |
|
| 2 | [conj] it is known that | 60 |
|
| 3 | [subord] it is known that | 36 |
|
| 4 | [coord] it is known that | 21 |
|
| 5 | but it is known that | 11 |
|
| 6 | if it is known that | 11 |
|
| 7 | if it is known that | 11 |
|
| 8 | but it is known that | 11 |
|
| 9 | and it is known that | 9 |
|
| 10 | and it is known that | 9 |
|
| 11 | where it is known that | 5 |
|
| 12 | where it is known that | 5 |
|
