| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] known that the | 35 |
|
| 2 | it is [adv] known [that] the | 35 |
|
| 3 | it is [adv] known that the | 35 |
|
| 4 | it is well known [conj] the | 26 |
|
| 5 | it is now known [conj] the | 5 |
|
