| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it is [verb] | 1191 |
|
| 2 | [coord] it is [vb pp] | 951 |
|
| 3 | [conj] it is known | 147 |
|
| 4 | [coord] [pron] is known | 55 |
|
| 5 | [coord] it be known | 38 |
|
| 6 | [coord] it [be] known | 38 |
|
| 7 | [coord] it is know | 29 |
|
| 8 | [coord] it [is] known | 29 |
|
