| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [verb] that it | 69 |
|
| 2 | is [adv] [vb pp] that it | 59 |
|
| 3 | is [adv] known that [pron] | 19 |
|
| 4 | is [adv] known [conj] it | 6 |
|
| 5 | [be] [adv] known that it | 5 |
|
| 6 | is [adv] known [that] it | 5 |
|
| 7 | is [adv] known that it | 5 |
|
| 8 | [is] [adv] known that it | 5 |
|
| 9 | be [adv] known that it | 5 |
|
| 10 | is [adv] known that it | 5 |
|
| 11 | is [adv] know that it | 5 |
|
