| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] [verb] | 6487 |
|
| 2 | it [is] [adv] [vb pp] | 4657 |
|
| 3 | [pron] [is] [adv] known | 457 |
|
| 4 | it [is] [adv] known | 447 |
|
| 5 | it [be] [adv] known | 370 |
|
| 6 | it [is] [adv] know | 288 |
|
