| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it is [adv] known that | 14 |
|
| 2 | but it is [adv] known that | 9 |
|
| 3 | [coord] it is now known that | 5 |
|
| 4 | [coord] it is well known that | 5 |
|
| 5 | and it is [adv] known that | 5 |
|
| 6 | [coord] it is well known that | 5 |
|
| 7 | [coord] it is now known that | 5 |
|
