| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [adv] [conj] | 256 |
|
| 2 | it is [adv] known [conj] | 228 |
|
| 3 | [conj] it is [adv] known | 112 |
|
| 4 | [conj] it is known [conj] | 62 |
|
