| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] known | 370 |
|
| 2 | it [is] [adv] known | 285 |
|
| 3 | it is [adv] known | 264 |
|
| 4 | it [be] well known | 181 |
|
| 5 | it [was/were] [adv] known | 82 |
|
| 6 | it was [adv] known | 78 |
|
| 7 | it [be] now known | 41 |
|
| 8 | it [be] also known | 39 |
|
| 9 | it 's [adv] known | 21 |
|
| 10 | it [be] widely known | 13 |
|
| 11 | it [be] generally known | 12 |
|
| 12 | it [be] already known | 8 |
|
| 13 | it [be] best known | 6 |
|
| 14 | it [be] often known | 6 |
|
| 15 | it [be] better known | 5 |
|
| 16 | it [be] sometimes known | 5 |
|
