| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it is [adv] [verb] that | 115 |
|
| 2 | [coord] it is [adv] [vb pp] that | 110 |
|
| 3 | [conj] it is [adv] known that | 29 |
|
| 4 | [coord] it is [adv] known [conj] | 29 |
|
| 5 | [coord] it be [adv] known that | 21 |
|
| 6 | [coord] it [be] [adv] known that | 21 |
|
| 7 | [coord] it [is] [adv] known that | 17 |
|
| 8 | [coord] it is [adv] known that | 14 |
|
| 9 | [coord] it is [adv] know that | 14 |
|
| 10 | [coord] it is [adv] known [that] | 14 |
|
| 11 | [coord] [pron] is [adv] known that | 14 |
|
