| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] know that [noun sg] | 14 |
|
| 2 | it [is] [adv] known that [noun sg] | 14 |
|
| 3 | it is [adv] know that [noun sg] | 13 |
|
| 4 | it [is] well know that [noun sg] | 11 |
|
