| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adv] [conj] | 256 |
|
| 2 | it is [adv] known [conj] | 228 |
|
| 3 | it is [adv] known [conj] | 149 |
|
| 4 | it is [adv] [adv] known | 70 |
|
| 5 | is [adv] [adv] known [conj] | 43 |
|
