| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is [verb] that | 503 |
|
| 2 | [subord] it is [vb pp] that | 496 |
|
| 3 | [conj] it is known that | 60 |
|
| 4 | [subord] it be known that | 56 |
|
| 5 | [subord] it [be] known that | 56 |
|
| 6 | [subord] it is known [conj] | 38 |
|
| 7 | [subord] it [is] known that | 38 |
|
| 8 | [subord] it is know that | 36 |
|
| 9 | [subord] [pers pn] is known that | 36 |
|
| 10 | [subord] [pron] is known that | 36 |
|
| 11 | [subord] it is known that | 36 |
|
| 12 | [subord] it is known that | 36 |
|
| 13 | [subord] it is known [that] | 36 |
|
