| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] known that | 157 |
|
| 2 | it is [adv] know that | 147 |
|
| 3 | it [is] well know that | 114 |
|
| 4 | it [is] now know that | 23 |
|
| 5 | it [is] also know that | 11 |
|
| 6 | it 's [adv] know that | 10 |
|
