| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [adv] [adv] | 1020 |
|
| 2 | [conj] it is [adv] known | 112 |
|
| 3 | [conj] it is [adv] known | 71 |
|
| 4 | it is [adv] [adv] known | 34 |
|
| 5 | [conj] is [adv] [adv] known | 10 |
|
