| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] [adv] [verb] | 2453 |
|
| 2 | [conj] it [is] [adv] [vb pp] | 1784 |
|
| 3 | [conj] it [be] [adv] known | 163 |
|
| 4 | [conj] [pron] [is] [adv] known | 139 |
|
| 5 | [conj] [pers pn] [is] [adv] known | 135 |
|
| 6 | [conj] it [is] [adv] know | 118 |
|
| 7 | [conj] it [is] [adv] known | 117 |
|
