| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [adv] | 7592 |
|
| 2 | it is [adv] known | 264 |
|
| 3 | [conj] it is known | 147 |
|
| 4 | [conj] is [adv] known | 91 |
|
