| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [adv] [verb] | 1337 |
|
| 2 | [conj] it is [adv] [vb pp] | 1131 |
|
| 3 | [conj] it is [adv] known | 112 |
|
| 4 | [conj] it be [adv] known | 111 |
|
| 5 | [conj] it [be] [adv] known | 111 |
|
| 6 | [conj] [pron] is [adv] known | 89 |
|
| 7 | [conj] it [is] [adv] known | 76 |
|
| 8 | [conj] it is [adv] know | 71 |
|
