| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [verb] [that] | 934 |
|
| 2 | [conj] it is [vb pp] [that] | 912 |
|
| 3 | [conj] it be known [that] | 85 |
|
| 4 | [conj] it [be] known [that] | 85 |
|
| 5 | [conj] it [is] known [that] | 62 |
|
| 6 | [conj] it is known [conj] | 62 |
|
| 7 | [conj] it is know [that] | 60 |
|
| 8 | [conj] [pron] is known [that] | 60 |
|
