| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] known that | 157 |
|
| 2 | but it [is] [adv] known | 15 |
|
| 3 | but it [is] known that | 11 |
|
| 4 | but it [is] [adv] that | 7 |
|
