| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] [adv] that | 201 |
|
| 2 | it [is] [adv] known that | 160 |
|
| 3 | it [is] [adv] known that | 157 |
|
| 4 | it [is] [adv] [adv] known | 92 |
|
| 5 | [is] [adv] [adv] known that | 21 |
|
