| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [adv] [adv] | 1849 |
|
| 2 | [conj] it is [adv] known | 112 |
|
| 3 | it is [adv] [adv] known | 74 |
|
| 4 | [conj] is [adv] [adv] known | 13 |
|
