| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it be [adv] know that | 13 |
|
| 2 | [subord] it be [adv] known that | 13 |
|
| 3 | [subord] it is [adv] know that | 11 |
|
| 4 | [subord] it be well know that | 9 |
|
