| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] known | 285 |
|
| 2 | it is [adv] known | 264 |
|
| 3 | it [is] well known | 152 |
|
| 4 | it [is] now known | 37 |
|
| 5 | it [is] also known | 31 |
|
| 6 | it 's [adv] known | 21 |
|
| 7 | it [is] often known | 6 |
|
| 8 | it [is] generally known | 6 |
|
| 9 | it [is] widely known | 6 |
|
| 10 | it [is] sometimes known | 5 |
|
| 11 | it [is] better known | 5 |
|
