| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] known [conj] | 149 |
|
| 2 | it is [adv] [conj] [adj] | 97 |
|
| 3 | it is known [conj] [adj] | 34 |
|
| 4 | is [adv] known [conj] [adj] | 33 |
|
