| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] known that | 189 |
|
| 2 | it be [adv] that [adj] | 68 |
|
| 3 | it be known that [adj] | 48 |
|
| 4 | be [adv] known that [adj] | 38 |
|
| 5 | it be [adv] known [adj] | 5 |
|
