| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] [adv] [verb] that | 397 |
|
| 2 | [conj] it [be] [adv] [vb pp] that | 378 |
|
| 3 | [conj] it [be] [adv] known [conj] | 73 |
|
| 4 | [conj] it [be] [adv] known [that] | 42 |
|
| 5 | [conj] it [be] [adv] know that | 42 |
|
| 6 | [conj] [pron] [be] [adv] known that | 42 |
|
| 7 | [conj] it [be] [adv] known that | 42 |
|
