| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [is] [adv] [verb] | 643 |
|
| 2 | [coord] it [is] [adv] [vb pp] | 455 |
|
| 3 | [conj] it [is] [adv] known | 76 |
|
| 4 | [coord] it [is] [adv] known | 49 |
|
| 5 | [coord] it [be] [adv] known | 34 |
|
| 6 | [coord] [pron] [is] [adv] known | 30 |
|
| 7 | [coord] it [is] [adv] know | 26 |
|
