| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] [adv] [verb] [that] | 233 |
|
| 2 | [conj] it [is] [adv] [vb pp] [that] | 216 |
|
| 3 | [conj] it [is] [adv] known [conj] | 55 |
|
| 4 | [conj] it [be] [adv] known [that] | 42 |
|
| 5 | [conj] it [is] [adv] known [that] | 32 |
|
| 6 | [conj] [pron] [is] [adv] known [that] | 32 |
|
| 7 | [conj] it [is] [adv] know [that] | 32 |
|
| 8 | [conj] [pers pn] [is] [adv] known [that] | 32 |
|
