| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] known that | 189 |
|
| 2 | it is [adv] known that | 149 |
|
| 3 | it be well known that | 130 |
|
| 4 | it be well known that | 130 |
|
| 5 | it was [adv] known that | 32 |
|
| 6 | it be now known that | 25 |
|
| 7 | it be now known that | 25 |
|
| 8 | it be also known that | 16 |
|
| 9 | it be also known that | 16 |
|
| 10 | it 's [adv] known that | 11 |
|
| 11 | it be already known that | 6 |
|
| 12 | it be widely known that | 6 |
|
| 13 | it be widely known that | 6 |
|
| 14 | it be already known that | 6 |
|
| 15 | it be [not/n't] known that | 5 |
|
| 16 | it be not known that | 5 |
|
| 17 | it be not known that | 5 |
|
