| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] known that | 157 |
|
| 2 | [is] not [adv] that | 147 |
|
| 3 | [is] not [adv] known | 116 |
|
| 4 | not [adv] known that | 9 |
|
